USER
Hey! Can you order me a pizza from Joey's?
Joey's
pizza_ordering.name.store
pizza_ordering.name.store
ASSISTANT
Yes I can. What would you like? 
USER
I want their Spinach and Mushroom speciality pizza.
Spinach and Mushroom
pizza_ordering.name.pizza
Spinach and Mushroom speciality
pizza_ordering.name.pizza.reject
ASSISTANT
That sounds great! What size?
USER
What's the price difference between the medium and large?
medium
pizza_ordering.size.pizza
large
pizza_ordering.size.pizza
ASSISTANT
The medium is $14.99 and the large is $18.99
medium
pizza_ordering.size.pizza
pizza_ordering.size.pizza
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
USER
Interesting, the medium should be fine!
medium
pizza_ordering.size.pizza
ASSISTANT
Would you like any sides or garlic bread?
USER
No thanks, just the pizza. 
ASSISTANT
They no longer make that speciality pizza. It's been retired.
o longer make that speciality pizza.
pizza_ordering.name.pizza.reject
USER
What?! That doesn't make any sense. 
ASSISTANT
Yeah, it appears they are not accepting orders for spinach or mushroom toppings either because they want this to be a "selective item" and will only be available certain times a year.
spinach
pizza_ordering.type.topping.reject
pizza_ordering.type.topping.reject
mushroom
pizza_ordering.type.topping.reject
pizza_ordering.type.topping.reject
USER
They are just trying to make money.
ASSISTANT
More than likely. Is there another pizza you would want?
USER
Yes, can you get me a sausage and onions pizza.
sausage
pizza_ordering.type.topping
ausage and onions
pizza_ordering.name.pizza
onions
pizza_ordering.type.topping
ASSISTANT
No problem. Medium or small?
Medium
pizza_ordering.size.pizza
pizza_ordering.size.pizza
small
pizza_ordering.size.pizza
pizza_ordering.size.pizza
USER
Small because the sausage will fill me up.
Small
pizza_ordering.size.pizza
sausage
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
So, one small sausage and onions pizza from Joeys?
small
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
sausage
pizza_ordering.type.topping.accept
sausage and onions
pizza_ordering.name.pizza.accept
onions
pizza_ordering.type.topping.accept
Joeys
pizza_ordering.name.store.accept
pizza_ordering.name.store.accept
USER
That is correct. 
ASSISTANT
Your pizza order is complete and will be ready in 25 minutes. 
USER
Awesome! Do I need to provide a receipt or order number on pickup?
ASSISTANT
Nope, I'll email you the receipt to your phone right now via text message, but you should not need it.
USER
You rock!