/**
  * @param ReservationSeries $reservationSeries
  */
 public function HandleReservation($reservationSeries)
 {
     $successfullySaved = $this->_handler->Handle($reservationSeries, $this->_page);
     if ($successfullySaved) {
         $this->_page->SetRequiresApproval($reservationSeries->RequiresApproval());
         $this->_page->SetReferenceNumber($reservationSeries->CurrentInstance()->ReferenceNumber());
     }
 }