Hello how may I help you? Hi there, I need to order a pizza. I can help with that. Which restaurant do you want to order from? I would like to order from Grecian Gardens, please. I can do that. What kind of pizza do you want to order? I need to get a pizza with three different toppings today. Is that okay? Yes. What toppings? The three toppings are cheese, tomatoes and sausage. Unfortunately tomatoes are unavailable at this moment. Do you want to add a substitute? Oh. Yes, please. Can you make that mushrooms instead of tomatoes? Yes. Mushrooms, cheese, and sausage. Is that correct? Yes, please. Thanks so much! Order is placed.