function addReservation()
{
    $reservation = new Reservations();
    $Sessions = new Sessions();
    $reservation->setValues($_REQUEST);
    $reservation->setReservationClientId($Sessions->getClientId());
    if ($Sessions->clientIsLogged()) {
        $id = $reservation->newReservations();
        if ($id != 0) {
            Common::jsonSuccess(array("id" => $id));
        } else {
            Common::jsonError("Error");
        }
    } else {
        $Sessions->setReservationsDetails($_REQUEST);
        Common::jsonError(array("login" => 500));
    }
}