public IActionResult BookingOverview()
        {
            // Get the BookingID from the session
            int sessionReservationID = Convert.ToInt32(HttpContext.Session.GetString("reservationID")); //This is reading from session

            //Get the Booking object from the DB by using the DALReservation class (configuarion is set in top of this site)
            DALReservation dr          = new DALReservation(configuration);
            BookingModel   reservation = (BookingModel)dr.getReservation(sessionReservationID);

            //Send the results to the view
            return(View(reservation));
        }