public BookingPage StepEnterFirstName(string firstname)
 {
     EnterFirstName.SendKeys(firstname);
     Thread.Sleep(2000);
     return(this);
 }
 public AirportTaxisPage StepEnterFirstName(string firstname)
 {
     EnterFirstName.SendKeys(firstname);
     Thread.Sleep(2000);
     return(this);
 }