/// <summary> Процесс ресторана </summary>
        public void Process(IClient client, IWaiter waiter)
        {
            client.Hello();
            waiter.Hello();

            var menu  = waiter.GiveMenu();
            var order = client.Order(menu);

            var food = waiter.ExecuteOrder(order);

            client.Thank();
            client.Eat(food);

            client.AskAccount();
            var account = waiter.GiveAccount();

            client.PayAccount(account);

            client.Goodbye();
            waiter.Goodbye();
        }