private void button4_Click(object sender, EventArgs e)
        {
            PassengerFunctionalities f = new PassengerFunctionalities(this);

            f.Show();
            this.Hide();
        }
 public GetSearchFlight(PassengerFunctionalities PF)
 {
     InitializeComponent();
     controllerObj          = new Controller();
     passengerFunc          = PF;
     SearchButton.BackColor = Color.FromArgb(250, 54, 10);
 }