/// <summary>
/// Creates a new Booking
/// </summary>
/// <param name="userId">The Id of the user that creates the booking</param>
/// <param name="facilityId">The Id of the facility that the booking is for</param>
/// <param name="startTime">The Datetime that the booking starts</param>
/// <param name="endTime">The Datetime that the booking ends</param>
/// <returns>Returns an Interface of the newly created Booking</returns>
public IBooking CreateBooking(string userId, int facilityId, DateTime startTime, DateTime endTime)
{
var bm = _personRegister.FetchBuildingManager(userId);
var booking = _buildingRegister.CreateBooking((int)bm.BuildingId, facilityId, bm.Id, startTime, endTime);
return(booking);
}