public function getDatatable()
 {
     $booking = Destination::select(array('id', 'image', 'tujuan'));
     return Datatables::of($booking)->addColumn('image', function ($booking) {
         return '<img src="../' . $booking->image . '"class="img-responsive" width="50" height="50"></img>';
     })->addColumn('action', function ($booking) {
         return '<a href="destination/edit/' . $booking->id . '" class="btn btn-xs btn-primary">Edit</a> <a href="destination/delete/' . $booking->id . '" class="btn btn-xs btn-danger">Delete</a>';
     })->removeColumn('update_at')->make(true);
 }