private function updateGuestInfo(Guest $guest, ParameterBag $input)
{
$guest->setFirstName($input->get('firstName'));
$guest->setLastName($input->get('lastName'));
$guest->setEmailAddress($input->get('emailAddress'));
$guest->setPhoneNumber((int) $input->get('phoneNumber'));
$guest->setAddress($input->get('address'));
$this->guest->save($guest);
return $guest;
}
