I am in the mood for pizza
Which pizza store would you like to use
Hmm, Pizza Store
Pizza Store on Main St or Elm Avenue
Elm Avenue since I have an account
Good. What would you like to order
a large pizza
what toppings would you like
pepperoni
Anything else?
Yes, also olives and peppers
Very good
Wait, I want to change the order
OK. Do you still want a large size
Yes
Do you want thick or thin crust
Thick
What toppings would you like
pepperoni, onions and green pepper
would you like to add anything else
Yes, make it well done
Very good. I will confirm you order now
... OK
Your order will be ready for pickup in 25 minutes at Pizza Store.
Thanks
You are welcome