diff --git a/OpheliasOasis/Managers/DatabaseManager.cs b/OpheliasOasis/Managers/DatabaseManager.cs
new file mode 100644
index 0000000..9ff5be9
--- /dev/null
+++ b/OpheliasOasis/Managers/DatabaseManager.cs
@@ -0,0 +1,212 @@
+using System.Data.SQLite;
+using Ophelias.Models;
+
+namespace Ophelias.Managers
+{
+    internal class DatabaseManager : IDisposable
+    {
+        internal SQLiteConnection con = new SQLiteConnection("OpheliasOasis.sqlite");
+        internal SQLiteCommand? cur;
+
+        internal DatabaseManager()
+        {
+            cur = new SQLiteCommand(con);
+        }
+        internal void Connect()
+        {
+            con.Open();
+        }
+        internal void Close()
+        {
+            con.Close();
+            con.Dispose();
+        }
+        internal void InitializeTables()
+        {
+            if (cur == null)
+                return;
+
+            string tableCommands =
+                @"CREATE TABLE IF NOT EXISTS [transactions] (
+                  [ID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+                  [Rate] INTEGER NOT NULL,
+                  [Owed] INTEGER NOT NULL,
+                  [Penalty] INTEGER NULL,
+                  [Multiplier] INTEGER NOT NULL,
+                  [RefundAmount] INTEGER NOT NULL,
+                  [IsLate] BOOLEAN NOT NULL CHECK ([IsLate] IN (0,1)),
+                  [PaidOff] BOOLEAN NOT NULL CHECK ([PaidOff] IN (0,1)),
+                  [PayBy] TEXT NOT NULL,
+                  [PaidOn] TEXT NULL);
+
+                CREATE TABLE IF NOT EXISTS [reservations] (
+                  [ID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+                  [RoomID] INTEGER NOT NULL,
+                  [GuestID] INTEGER NOT NULL,
+                  [TransactionID] INTEGER NOT NULL,
+                  [IsNoShow] BOOLEAN NOT NULL CHECK ([IsNoShow] IN (0,1)),
+                  [Type] INTEGER NOT NULL CHECK ([Type] IN (0,1,2,3)),
+                  [Status] INTEGER NOT NULL CHECK ([Status] IN (0,1,2,3)),
+                  [CreationDate] TEXT NOT NULL,
+                  [StartDate] TEXT NOT NULL,
+                  [EndDate] TEXT NOT NULL,
+                  [CheckIn] TEXT NOT NULL,
+                  [CheckOut] TEXT NOT NULL,
+                  [DateChanged] TEXT NOT NULL,
+                  FOREIGN KEY ([RoomID]) REFERENCES ROOMS(ID),
+                  FOREIGN KEY ([GuestID]) REFERENCES GUESTS(ID),
+                  FOREIGN KEY ([TransactionID]) REFERENCES TRANSACTIONS(ID));
+
+                CREATE TABLE IF NOT EXISTS [guests] (
+                  [ID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+                  [Fname] TEXT NOT NULL,
+                  [Lname] TEXT NOT NULL,
+                  [Email] TEXT NULL,
+                  [Phone] TEXT NULL,
+                  [CreditCard] TEXT NULL,
+                  [CCV] TEXT NULL,
+                  [CCExpiration] TEXT NULL);
+  
+                CREATE TABLE IF NOT EXISTS [rooms] (
+                  [ID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT);
+
+                CREATE TABLE IF NOT EXISTS [rates] (
+                  [ID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+                  [Rate] INTEGER NOT NULL,
+                  [DateSet] TEXT NOT NULL);";
+
+            cur.CommandText = tableCommands;
+            cur.ExecuteNonQuery();
+        }
+
+        internal void InitializeRoomsTable()
+        {
+            if (cur == null)
+                return;
+
+            // Initialize Rooms
+            for (int i = 1; i < 46; i++)
+            {
+                cur.CommandText = $"INSERT INTO ROOMS (ID) VALUES ({i});";
+                cur.ExecuteNonQuery();
+            }
+        }
+        public void Dispose()
+        {
+            Close();
+        }
+    }
+
+    internal static class DatabaseFunctions
+    {
+        internal static int GetLastId(SQLiteCommand cmd, string tableName)
+        {
+            if (cmd == null)
+                throw new NotImplementedException();
+
+            cmd.CommandText = $"SELECT SEQ FROM sqlite_sequence WHERE name=\"{tableName}\";";
+            cmd.ExecuteNonQuery();
+            using (SQLiteDataReader reader = cmd.ExecuteReader())
+            {
+                reader.Read();
+                return reader.GetInt32(0);
+            }
+        }
+        internal static int GetThirtyDayOccupancy(SQLiteCommand cmd, DateTime start)
+        {
+            if (cmd == null)
+                throw new NotImplementedException();
+
+            cmd.CommandText = $@"SELECT COUNT(*) 
+                                 FROM reservations 
+                                 WHERE StartDate => date({start.ToString("yyyy-MM-dd")}) AND EndDate <= date({start.AddDays(30).ToString("yyyy-MM-dd")});";
+            cmd.ExecuteNonQuery();
+            int thirtyDayOcc;
+            using (SQLiteDataReader reader = cmd.ExecuteReader())
+            {
+                reader.Read();
+                thirtyDayOcc = reader.GetInt32(0);
+            }
+            return thirtyDayOcc;
+        }
+    }
+    internal static class QueryBuilder
+    {
+
+        internal static string? UpdateTransaction(int id,
+            double? rate = null, double? owed = null, double? penalty = null,
+            double? multiplier = null, double? refund = null, bool? isLate = null,
+            bool? paidOff = null, DateTime? paidBy = null, DateTime? paidOn = null)
+        {
+            List<string> queryComponents = new List<string>();
+            string query = "UPDATE transactions SET";
+
+            if (rate.HasValue)
+                queryComponents.Add($"Rate = {rate}");
+            if (owed.HasValue)
+                queryComponents.Add($"Owed = {owed}");
+            if (penalty.HasValue)
+                queryComponents.Add($"Penalty = {penalty}");
+            if (multiplier.HasValue)
+                queryComponents.Add($"Multiplier = {multiplier}");
+            if (refund.HasValue)
+                queryComponents.Add($"Refund = {refund}");
+            if (isLate.HasValue)
+                queryComponents.Add($"IsLate = {Convert.ToInt32(isLate)}");
+            if (paidOff.HasValue)
+                queryComponents.Add($"PaidOff = {Convert.ToInt32(paidOff)}");
+            if (paidBy.HasValue)
+                queryComponents.Add($"PaidBy = {paidBy.Value.ToString("yyyy-MM-dd")}");
+            if (paidOn.HasValue)
+                queryComponents.Add($"PaidOn = {paidOn.Value.ToString("yyyy-MM-dd")}");
+
+            if (queryComponents.Count == 0)
+                query += " " + string.Join(", ", queryComponents) + " " + $"WHERE ID = {id};";
+            else
+                return null;
+
+            return query;
+        }
+
+        internal static string? UpdateReservation(int id,
+            int? roomid = null, int? guestid = null, int? transactionid = null, bool? isnoshow = null, ReservationType? type = null,
+            ReservationStatus? status = null, DateTime? creationdate = null, DateTime? startdate = null, DateTime? enddate = null,
+            DateTime? checkin = null, DateTime? checkout = null, DateTime? datechanged = null)
+        {
+            List<string> queryComponents = new List<string>();
+            string query = "UPDATE reservations SET";
+
+            if (roomid.HasValue)
+                queryComponents.Add($"RoomID = {roomid}");
+            if (guestid.HasValue)
+                queryComponents.Add($"GuestID = {guestid}");
+            if (transactionid.HasValue)
+                queryComponents.Add($"TransactionID = {transactionid}");
+            if (isnoshow.HasValue)
+                queryComponents.Add($"IsNoShow = {Convert.ToInt32(isnoshow)}");
+            if (type.HasValue)
+                queryComponents.Add($"Type = {(int)type}");
+            if (status.HasValue)
+                queryComponents.Add($"Type = {(int)status}");
+            if (creationdate.HasValue)
+                queryComponents.Add($"CreationDate = {creationdate.Value.ToString("yyyy-MM-dd")}");
+            if (startdate.HasValue)
+                queryComponents.Add($"StartDate = {startdate.Value.ToString("yyyy-MM-dd")}");
+            if (enddate.HasValue)
+                queryComponents.Add($"EndDate = {enddate.Value.ToString("yyyy-MM-dd")}");
+            if (checkin.HasValue)
+                queryComponents.Add($"CheckIn = {checkin.Value.ToString("yyyy-MM-dd")}");
+            if (checkout.HasValue)
+                queryComponents.Add($"CheckOut = {checkout.Value.ToString("yyyy-MM-dd")}");
+            if (datechanged.HasValue)
+                queryComponents.Add($"CheckOut = {datechanged.Value.ToString("yyyy-MM-dd")}");
+
+            if (queryComponents.Count == 0)
+                query += " " + string.Join(", ", queryComponents) + " " + $"WHERE ID = {id};";
+            else
+                return null;
+
+            return query;
+        }
+    }
+}
diff --git a/OpheliasOasis/Managers/ResTableManager.cs b/OpheliasOasis/Managers/ResTableManager.cs
new file mode 100644
index 0000000..4a19832
--- /dev/null
+++ b/OpheliasOasis/Managers/ResTableManager.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Ophelias.Managers;
+using Ophelias.Models;
+using System.Data.SQLite;
+
+namespace Ophelias.Managers
+{
+    internal class ReservationTableManager
+    {
+        DatabaseManager dbManager;
+        SQLiteCommand? cur;
+        internal ReservationTableManager(DatabaseManager manager)
+        {
+            dbManager = manager;
+            cur = manager.cur;
+        }
+        internal void ChangeReservationDates(Reservation r, DateTime start, DateTime end)
+        {
+            string? query = QueryBuilder.UpdateReservation(id: r.Id, startdate: start, enddate: end, datechanged: DateTime.Now);
+
+            if (query == null)
+                throw new NotImplementedException();
+            
+            query += QueryBuilder.UpdateTransaction(id: r.TransactionId, multiplier: 1.1);
+
+
+            QueryBuilder.UpdateTransaction(r.TransactionId);
+
+        }
+
+
+
+    }
+}
diff --git a/OpheliasOasis/Managers/TxTableManager.cs b/OpheliasOasis/Managers/TxTableManager.cs
new file mode 100644
index 0000000..32a06d6
--- /dev/null
+++ b/OpheliasOasis/Managers/TxTableManager.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Ophelias.Managers;
+using Ophelias.Models;
+using System.Data.SQLite;
+
+namespace Ophelias.Managers
+{
+    internal class TransactionTableManager
+    {
+        DatabaseManager dbManager;
+        SQLiteCommand? cur;
+        internal TransactionTableManager(DatabaseManager manager)
+        {
+            dbManager = manager;
+            cur = manager.cur;
+        }
+    }
+}
diff --git a/OpheliasOasis/Models/Guest.cs b/OpheliasOasis/Models/Guest.cs
index 681fdc8..58df59c 100644
--- a/OpheliasOasis/Models/Guest.cs
+++ b/OpheliasOasis/Models/Guest.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Ophelias.Models;
+using System.Net.Mail;
 
 namespace Ophelias.Models
 {
diff --git a/OpheliasOasis/Models/Reservation.cs b/OpheliasOasis/Models/Reservation.cs
index 851c096..a3787ff 100644
--- a/OpheliasOasis/Models/Reservation.cs
+++ b/OpheliasOasis/Models/Reservation.cs
@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Ophelias.Models;
+using Ophelias.Models;
 
 namespace Ophelias.Models
 {
@@ -58,6 +53,7 @@ namespace Ophelias.Models
         {
             Status = ReservationStatus.Cancelled;
             t.Penalize(this);
+            
         }
     }
     internal enum ReservationStatus
diff --git a/OpheliasOasis/Models/Transaction.cs b/OpheliasOasis/Models/Transaction.cs
index 598c9d6..44f9fc2 100644
--- a/OpheliasOasis/Models/Transaction.cs
+++ b/OpheliasOasis/Models/Transaction.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Ophelias.Models;
+using Ophelias.Managers;
 
 namespace Ophelias.Models
 {
@@ -11,20 +12,17 @@ namespace Ophelias.Models
     {
         private double PenaltyMultipler = 1.1;
 
-        internal int Id;
-
-        internal double Rate;
-        internal double Paid;
-        internal double Owed;
-        internal double? Penalty;
-        internal double? Multiplier;
-        internal double RefundAmount;
-
-        internal bool? Late;
-        internal bool PaidOff;
-
-        internal DateTime PayBy;
-        internal DateTime PaidOn;
+        internal int Id { get; set; }
+        internal double Rate { get; set; }
+        internal double Paid { get; set; }
+        internal double Owed { get; set; }
+        internal double? Penalty { get; set; }
+        internal double Multiplier { get; set; }
+        internal double RefundAmount { get; set; }
+        internal bool? Late { get; set; }
+        internal bool PaidOff { get; set; }
+        internal DateTime PayBy { get; set; }
+        internal DateTime PaidOn { get; set; }
 
         internal Transaction(int id, Reservation r, DateTime payby)
         {
@@ -155,6 +153,30 @@ namespace Ophelias.Models
             }
         }
     }
+
+    internal static class TransactionFees
+    {
+        static double ConventionalFee = 1.0;
+        static double PrepaidFee = 0.75;
+        static double IncentiveFee = OccupancyIncentive();
+        static double SixtyDayFee = 0.85;
+
+        private static double OccupancyIncentive()
+        {
+            int thirtyDayOcc;
+            using (DatabaseManager dbm = new DatabaseManager())
+            {
+                if (dbm.cur == null)
+                    throw new NotImplementedException();
+
+                thirtyDayOcc = DatabaseFunctions.GetThirtyDayOccupancy(dbm.cur, DateTime.Now);
+            }
+            if ((double)(thirtyDayOcc / 45.0) <= 0.6)
+                return 0.80;
+            return 1.0;
+        }
+
+    }
     internal class TransactionList
     {
         internal List<Transaction> Transactions;
diff --git a/OpheliasOasis/OpheliasOasis.sqlite b/OpheliasOasis/OpheliasOasis.sqlite
new file mode 100644
index 0000000..e69de29
diff --git a/OpheliasOasis/Program.cs b/OpheliasOasis/Program.cs
index 20150ef..92aaad1 100644
--- a/OpheliasOasis/Program.cs
+++ b/OpheliasOasis/Program.cs
@@ -1,18 +1,92 @@
-using Reservations
+using Ophelias.Models;
+using Ophelias.Managers;
+using System.Data.SQLite;
+
 class Program
 {
-    Reservation CreateReservation()
+    private static void GuestMode()
     {
-        GuestInformation guestInformation = new GuestInformation();
-        Console.WriteLine
-        Console.ReadLine()
+        Reservation? activeReservation = null;
+        Guest? activeGuest = null;
+        TransactionTableManager tx = new TransactionTableManager(null);
+        tx.UpdateTransactionInfo(1);
+        void help()
+        {
+            Console.WriteLine(
+                "Reservation Commands:\n" +
+                "\treservation create\n" +
+                "\treservation update\n" +
+                "\treservation cancel\n" +
+                "Account Commands:" +
+                "\taccount create\n" +
+                "\taccount update\n" +
+                "Enter Q to quit.\n"
+            );
+            return;
+        }
+
+        void CreateNewReservation()
+        {
+            Reservation newReservation;
+        }
+
+        while(true)
+        {
+            Console.WriteLine(
+                "Welcome to the Ophelias Oasis Hotel Registration System!\n" +
+                "Type help to get a full list of commands or enter a command.\n" +
+                "Command: "
+            );
+            string? input = Console.ReadLine();
+            switch(input)
+            {
+                case "help": help(); break;
+                case "reservation create": break;
+                case "reservation update": break;
+                case "reservation cancel": break;
+                case "account update": break;
+                case "q": return;
+                default: Console.WriteLine("Unknown command, enter help for more inforamtion."); break;
+            }
+
+        }
+    }
+    private void AdminMode()
+    {
+        void help()
+        {
+            Console.WriteLine(
+                "Report Commands:\n" +
+                "\treservation create\n" +
+                "\treservation update\n" +
+                "\treservation cancel\n" +
+                "Account Commands:" +
+                "\taccount create\n" +
+                "\taccount update\n" +
+                "Enter Q to quit.\n"
+            );
+            return;
+        }
     }
     static void Main()
     {
-        Console.WriteLine(
-            "1. Employee\n" +
-            "2. Customer\n" +
-            "Are you an employee or customer?: "
-        );
+        SQLiteConnection.CreateFile("OpheliasOasis.sqlite");
+
+        bool run = true;
+        while (run)
+        {
+            Console.WriteLine(
+                "Are you an employee or customer?\n" +
+                "1. Employee\n" +
+                "2. Customer/ Guest"
+            );
+            switch(Console.ReadLine().ToUpper())
+            {
+                case "1": break;
+                case "2": GuestMode(); break;
+                case "Q": run = false; break;
+                default: Console.WriteLine("You must either specify 1 for Employee, 2 for Customer/ Guest, or Q to quit.\n\n"); break;
+            }
+        }
     }
 }
\ No newline at end of file