public passengerViewModel()
        {
            List<Passenger> psngrs = new List<Passenger>();
            FileReadPsngrJSON FileRead = new FileReadPsngrJSON();

            psngrs = FileRead.LoadJson();
            readJSONFile = new ObservableCollection<Passenger>(psngrs);
        }
        public void PsgInfo()
        {
            List<Passenger> passengerData = new List<Passenger>();

            FileReadPsngrJSON FR = new FileReadPsngrJSON();
            List<Passenger> fileReadList = FR.LoadJson();
            passengerData.AddRange(fileReadList);

            string json = JsonConvert.SerializeObject(passengerData, Formatting.Indented);
            File.WriteAllText("Output.json", json);
        }
        public void PsgInfo()
        {
            List <Passenger> passengerData = new List <Passenger>();

            FileReadPsngrJSON FR           = new FileReadPsngrJSON();
            List <Passenger>  fileReadList = FR.LoadJson();

            passengerData.AddRange(fileReadList);

            string json = JsonConvert.SerializeObject(passengerData, Formatting.Indented);

            File.WriteAllText("Output.json", json);
        }