Updateed some formatting and bug fixes

Fixed inconsistencies in queries that would result in errors because
the parameters were missing. Updating a guest is an example that had
this issue. After checking parameters should all be supplied where
needed.

OpheliasOasis/Reporting/Accommodation.cs

@@ -15,10 +15,10 @@ namespace Ophelias.Reporting
             {
                 string report = $"ACCOMMODATION BILL - GENERATED ON {DateTime.Now.Date.ToString("yyyy-MM-dd")}\n" +
                     $"Name: {r.Guest.LastName}, {r.Guest.FirstName}\n" +
-                    $"Arrival Date: {r.StartDate}\n" +
-                    $"Departure Date: {r.EndDate}\n" +
+                    $"Arrival Date: {r.StartDate.Date.ToString("yyyy-MM-dd")}\n" +
+                    $"Departure Date: {r.EndDate.Date.ToString("yyyy-MM-dd")}\n" +
                     $"Length of Stay: {(int)(r.EndDate.Date - r.StartDate.Date).TotalDays} days\n" +
-                    $"Charged: ${r.Transaction.Owed}\n\n";
+                    $"Charged: ${Math.Round(r.Transaction.Owed, 2)}\n\n";
                 File.AppendAllText(Path.GetFullPath("AccommodationBills.txt"), report);
             }
         }