USER
I’d like to order a pizza please.
ASSISTANT
Is that for pickup or delivery?
USER
Pickup.
ASSISTANT
And your name please?
USER
Penny Parker
ASSISTANT
What number are you calling from, Penny?
USER
555-555-1234
ASSISTANT
Okay. What size pizza would you like – small, medium or large?
small
pizza_ordering.size.pizza
pizza_ordering.size.pizza
medium
pizza_ordering.size.pizza
pizza_ordering.size.pizza
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
USER
Large.
Large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
ASSISTANT
With what type of crust – thin, thick, or pan?
thin
pizza_ordering.type.crust
thick
pizza_ordering.type.crust
pan
pizza_ordering.type.crust
USER
Pan.
Pan
pizza_ordering.type.crust.accept
pizza_ordering.type.crust
ASSISTANT
Got it. And what toppings do you want on it?
USER
What is that meat called that's cut in circles and looks like salami?
ASSISTANT
Pepperoni.
Pepperoni
pizza_ordering.type.topping
pizza_ordering.type.topping
USER
That’s it. I want Pepperoni and Sausage. The sliced sausage - not that crumbly stuff.
Pepperoni
pizza_ordering.type.topping
pizza_ordering.type.topping.accept
Sausage
pizza_ordering.type.topping.accept
pizza_ordering.type.topping
sliced sausage
pizza_ordering.type.topping
ASSISTANT
Okay.
USER
But I want double the amount of toppings – including the cheese.
cheese
pizza_ordering.preference
pizza_ordering.type.topping
ASSISTANT
Got it. Would you like any dipping sauce with that?
USER
Yes. Two garlics.
ASSISTANT
Great. Will there be anything else?
USER
Would you tell the pizza maker to only put on a very light layer of sauce?
very light layer of sauce
pizza_ordering.preference
ASSISTANT
I’ll make a note of that.
USER
Wait a minute – someone’s yelling in my ear ... Okay, make it very light sauce on only half the pizza. The other half is to be normal sauce.
very light sauce
pizza_ordering.preference
ASSISTANT
Got it! Let me repeat what I’ve got so you can verify it. You want a large pan pizza with double toppings of Sliced Sausage, Pepperoni, and Cheese and 2 Garlic Dipping Sauces. And half of the pizza will have very light sauce. Is that correct?
large
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
pan pizza
pizza_ordering.name.pizza.accept
pizza_ordering.name.pizza.accept
Sliced Sausage
pizza_ordering.type.topping.accept
Sausage
pizza_ordering.type.topping.accept
Pepperoni
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
Cheese
pizza_ordering.type.topping.accept
pizza_ordering.preference.accept
very light sauce
pizza_ordering.preference.accept
USER
Perfect.
ASSISTANT
Just one second and I’ll give you the total cost . . . Okay, Penny.  That will be $13.99 plus taxes for a total of $15.11.  And it will be ready for pickup in 15 minutes.
nd it will be ready for pickup in 15 minut
pizza_ordering.pizza_order.accept
USER
Great. See you then.
ASSISTANT
Good-bye.