$addonpayable = 0;
$downpayment = 0;
$total = $_POST['total'];
$adult = $_POST['nadult'];
$child = $_POST['nchild'];
$confirmation = 'wv-' . createRandomPassword();
if ($adult == '' || $child == '') {
    echo "please select the number of Adult or Child";
} else {
    if (isset($_SESSION['Customerid'])) {
        $Customerid = $_SESSION['Customerid'];
        $sql = "select * from tblusers where Customer_ID='{$Customerid}'";
        $query = mysqli_query($conn, $sql);
        $row = mysqli_fetch_assoc($query);
        $fname = $row['FirstName'];
        $lname = $row['LastName'];
        $balance = 90000;
        $datenow = date('Y-m-d');
        $Reservation = new Reservation($Customerid, $Categoryname, $Roomid, $arrival, $departure, $numberofdays, $adult, $child, $status, $addonpayable, $downpayment, $total, $confirmation, null);
        if ($Reservation->AddReserve()) {
            $transaction = new Transaction($Customerid, $datenow, null, null, $total, $status, 'None');
            if ($transaction->AddTransaction()) {
                $reservationname = $fname . " " . " " . $lname;
                $message = $reservationname . " " . "Was Reserve";
                Notifier::NotifyReservation($confirmation, $reservationname, $message);
                echo "true";
                $_SESSION['Confirmation'] = $confirmation;
            }
        }
    }
}