private void formTouristsList(SessionRequestContent request) {
        List<Order> orders = (List<Order>) request.getSessionAttribute(JSP_ORDER_LIST);
        List<Tourist> tourists = new ArrayList();
        if (orders != null && !orders.isEmpty()) {
            orders.stream().forEach((order) -> {
                tourists.addAll(order.getTouristCollection());
            });
            request.setSessionAttribute(JSP_CURRENT_TOUR, orders.get(0).getTour());
        }
        request.setSessionAttribute(JSP_TOURIST_LIST, tourists);
    }