public ActionResult CancelTkt(FormCollection formData)
 {
     try
     {
         string tktId = formData[0];
         if (string.IsNullOrEmpty(tktId))
         {
             TempData.Add("Error", "Could not cancel tickets");
         }
         else
         {
             BookingManager bookMgr = new BookingManager();
             if (!bookMgr.CancelTickets(tktId))
             {
                 TempData.Add("Error", "Could not cancel tickets");
             }
         }
         return(RedirectToAction("MyBooking"));
     }
     catch (Exception e)
     { throw e; }
 }