USER
Hi I'd like to order two large pizzas.
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
ASSISTANT
Sure, what kind of pizzas to you have in mind?
USER
I'll have a Hawaiian please.
Hawaiian
pizza_ordering.name.pizza
pizza_ordering.name.pizza
ASSISTANT
sure, is there anything else I can get for you?
USER
Yes, I'd like a large meat lover pizza please.
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
meat lover pizza
pizza_ordering.name.pizza
pizza_ordering.name.pizza
ASSISTANT
I am sorry, we're currently out of the meat lover pizza. Is there anything else you'd like instead?
meat lover pizza
pizza_ordering.name.pizza.reject
pizza_ordering.name.pizza.reject
USER
Sure. I'd like a buffalo chicken pizza please.
buffalo chicken pizza
pizza_ordering.name.pizza
pizza_ordering.name.pizza
ASSISTANT
Sure thing. What size do you want your buffalo chicken pizza?
buffalo chicken pizza
pizza_ordering.name.pizza
USER
Large please.
Large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
ASSISTANT
What kind of crust do you want for your Hawaiian pizza?
Hawaiian
pizza_ordering.name.pizza
Hawaiian pizza
pizza_ordering.name.pizza
USER
Hand tossed please.
Hand tossed
pizza_ordering.type.crust
pizza_ordering.type.crust
ASSISTANT
What kind of crust do you want for you buffalo chicken pizza?
buffalo chicken pizza
pizza_ordering.name.pizza
USER
Also hand tossed please.
hand tossed
pizza_ordering.type.crust
pizza_ordering.type.crust
ASSISTANT
thank you very much. Is there anything else I can get for you?
USER
No, that's it for today. Thank you
ASSISTANT
My pleasure. So we have a large, hand tossed crust buffalo chicken pizza and a large hand tossed crust Hawaiian pizza. Is that correct?
large
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza
pizza_ordering.size.pizza
pizza_ordering.size.pizza
hand tossed
pizza_ordering.type.crust
pizza_ordering.type.crust
hand tossed crust
pizza_ordering.type.crust.accept
pizza_ordering.type.crust
buffalo chicken pizza
pizza_ordering.name.pizza.accept
pizza_ordering.name.pizza
Hawaiian pizza
pizza_ordering.name.pizza.accept
pizza_ordering.name.pizza
USER
Perfect
ASSISTANT
So your total today will be $25 
USER
Sounds good
ASSISTANT
Awesome. Can I have a name for the order please?
USER
It's John Doe
ASSISTANT
Can I also have a phone number for order update?
USER
sure it123456789
ASSISTANT
ok, thank you very much. Your order will be ready to pick up in 25 minutes
USER
sounds good. Thank you
ASSISTANT
My pleasure 