public Seat reserveSeat(int seatNumber, int flightId)
        {
            BookingCart bCart = new BookingCart();

            Seat seat = new Seat()
            {
                FlightId = flightId, SeatNo = seatNumber
            };

            bool[] seats = seatDB.GetReservedSeats(bCart);
            seats[seatNumber] = true;
            seatDB.setSeats(seats);
            return(seat);
        }