public IEnumerable <Passenger> ChangeSeats(SeatDTO seatDTO) // Use seatNumber or passenger name?
{
Passenger passenger1 = _passengerRepository.GetPassengerBySeatNumber(seatDTO.SeatNumber1);
Passenger passenger2 = _passengerRepository.GetPassengerBySeatNumber(seatDTO.SeatNumber2);
passenger1.SeatNumber = seatDTO.SeatNumber2;
passenger2.SeatNumber = seatDTO.SeatNumber1;
_passengerRepository.SaveChanges();
List <Passenger> passengers = new List <Passenger>()
{
passenger1, passenger2
};
return(passengers);
}