public string Get(int Flight_Number)
 {
     try
     {
         var data = db.sp_GetSeatsByFlightNo(Flight_Number).FirstOrDefault();
         //db.sp_GetSeatsByFlightNo.Flight_Number
         if (data == null) //When all seats are empty
         {
             //throw new Exception("Invalid Flight Number");
             return(data);
         }
         else
         {
             return(data);
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }