public async Task <IActionResult> GetAirport([FromRoute] string airportId)
        {
            var airport = await _flightService.GetAirport(airportId);

            if (airport == null)
            {
                return(NotFound());
            }
            return(Ok(AirportDto.Map(airport)));
        }
        public async Task <IActionResult> GetAirports([FromQuery] string cityName)
        {
            var airports = await _flightService.GetAirports(cityName);

            return(Ok(AirportDto.Map(airports)));
        }