public void CancelFlight(LoginToken <AirlineCompany> token, Flight flight)
 {
     if (token != null)
     {
         if (flight.REMAINING_TICKETS > 0)
         {
             _ticketDAO = new TicketDAOMSSQL();
             Tickets t = new Tickets();
             t = _ticketDAO.GetTicketByFlightId((int)flight.ID);
             _ticketDAO.Remove(t);
         }
         if (flight.REMAINING_TICKETS == 0)
         {
             _flightDAO = new FlightDAOMSSQL();
             _flightDAO.Remove(flight);
         }
     }
 }