I want to order a pizza from Domino's
Ok, what kind of pizza do you want to order?
I want to build my own pizza.
Ok what size pizza would you like? 
Get me the large.
What kind of crust do want with it?
I want the crunchy thin crust.
Great, now what toppings do you want to add?
I want Italian sausage and pepperoni, roasted red peppers, mushrooms, and onions.
Unfortunately, the location is out of roasted peppers. Do you want to replace it with something else?
What other toppings are available?
They have jalapeño peppers, banana peppers, olives, diced tomatoes, pineapple, green pepper, spinach, feta cheese, shredded provolone, shredded asiago, and cheddar cheese.
Ok, just get green peppers and feta cheese added.
Ok, so you're ordering a large thin crust pizza with Italian sausage, pepperoni, mushrooms, onion, green peppers and feta cheese.
Sounds good, how much is it?
It's going to be $22.99.
Ok, order the pizza. 
Great, your order is complete and your pizza will be ready in 25 minutes. 
Sounds good. 
You'll get the receipt via text. Enjoy your meal!