/**
  * Request user input
  * create passenger
  * save belongsto relationship with Booking model.
  *
  * @param $request [request all user input]
  * @param $id      [get booking id]
  */
 public function addBookingDetail($request, $id)
 {
     $booking = $this->booking->getById($id);
     $givenInput = $request->all();
     $data = $this->model->create($givenInput);
     $booking->passenger()->save($data);
 }
 /**
  * Remove the specified resource from storage.
  *
  * @param int $id
  *
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $this->booking->deleteByid($id);
     \Session::flash('flash_message', 'Booking has been deleted');
     return redirect()->back();
 }