Hello I would like to order a couple pizzas.
Great, I can help you with that. 
Can I get two large pizzas with two toppings.
Ok, two large with two toppings. What crust do you want?
Can I get classic crust on both.
Yes, classic crust. And what toppings?
On one I want pepperoni and black olives. On the other I want canadian bacon and pineapple.
Great. One with pepperoni and black olives. We are out of pineapple. Would you like a different topping on your second pizza?
Ok yes, I would like Canadian bacon with mushrooms
Great. Two large pizzas with classic crust. One with pepperoni and black olives the other with canadian bacon and mushrooms.
That is correct.
The total is $40. Please input your payment method.
Ok, I'm giving you my payment details.
Great I got your payment.
Thanks. Where can I see the receipt.
I will text the receipt to your phone.
Fantastic. When will the pizzas be ready.
They will be ready to pick up in 25 minutes.
Great, thank you.
Thank you for your business and enjoy the food.