gistfile1.js

    this.resource("restaurants", function () {
        this.resource("restaurant", { path: "/:restaurant_id" }, function () {
            this.route("show", { path: "/" });
            this.resource("bookings", function () {
                this.route("new");
                this.resource("booking", { path: "/:booking_id" }, function () {
                    this.route("show");
                });
            });
        });
    });