$new_reservation->create($fields);
 $next_capacity = $previous_capacity - $fields['people_size'];
 $sql = 'update time_slots_capacity set ' . $time_to_slots_hash[$_POST['time']] . ' = ' . $next_capacity . ' where date = "' . $fields['date_of_reservation'] . '" and restaurant_id = "' . $fields['restaurant_id'] . '"';
 if ($query_tool->query($sql)) {
     // send email to user to confirm reservation
     $restaurant = new Restaurant();
     $restaurant->find($fields['restaurant_id']);
     $mail = Mail::getInstance();
     $mailto = $_POST['user_email'];
     $subject = 'FineTable - Restaurant Reservation Confirmation!';
     if (isset($_POST['guest_reservation']) && $_POST['guest_reservation'] == 'true') {
         $body = '
         <div class="mail-body" style="padding: 20px; border: 5px solid rgb(254, 127, 65); border-radius: 4px; margin: 0 auto; width: 90%;">
             <p>Hello ' . $_POST['guest_fullname'] . ',</p>
             <p>Congratulations!</p>
             <p>You have made a reservation with restaurant: ' . $restaurant->get_restaurant_name() . '.</p>
             <p>' . $restaurant->get_full_address() . '</p>
             <p><b>Date: </b>' . $_POST['date'] . '</p>
             <p><b>Time: </b>' . $_POST['time'] . '</p>
             <p>If you need to make a change with the reservation, please contact the restaurant at: ' . $restaurant->get_phone() . '</p>
             <p>Thank you!</p>
             <p>FineTable team</p>
         </div>
         ';
     } else {
         $body = '
         <div class="mail-body" style="padding: 20px; border: 5px solid rgb(254, 127, 65); border-radius: 4px; margin: 0 auto; width: 90%;">
             <p>Hello ' . $_COOKIE["login_user_firstname"] . ',</p>
             <p>Congratulations!</p>
             <p>You have made a reservation with restaurant: ' . $restaurant->get_restaurant_name() . '.</p>
             <p>' . $restaurant->get_full_address() . '</p>