public ActionResult AddHotel(HotelInfo hotelInfo)
 {
     try
     {
         mgmt.AddNewHotel(hotelInfo.HotelName, hotelInfo.Address);
         return(RedirectToAction("Index"));
     }
     catch (Exception e)
     {
         ModelState.AddModelError(String.Empty, e.Message);
         return(View());
     }
 }