USER
Hey I'd like to order some pizza from papa johns.
papa johns
pizza_ordering.name.store
papa johns.
pizza_ordering.name.store
ASSISTANT
Pizza sounds great, is this for delivery or pickup?
USER
Pickup. Preferrable down on 8th street.
down on 8th street
pizza_ordering.location.store
8th street
pizza_ordering.location.store
ASSISTANT
Okay, there's a Papa Johns nearby on 9th street, is this fine?
Papa Johns
pizza_ordering.name.store.accept
pizza_ordering.location.store.accept
nearby on 9th street
pizza_ordering.location.store.accept
9th street
pizza_ordering.location.store.accept
USER
Yeah, that's cool
ASSISTANT
And what would you like?
USER
I'd like a large thin crust pepperoni pizza.
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
thin crust
pizza_ordering.type.crust
pizza_ordering.type.crust
pepperoni pizza
pizza_ordering.name.pizza
pizza_ordering.name.pizza
ASSISTANT
One large thin crust pepperoni pizza, would you like anything else?
large
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
thin crust
pizza_ordering.type.crust.accept
pizza_ordering.type.crust.accept
pepperoni pizza
pizza_ordering.name.pizza.accept
pizza_ordering.name.pizza.accept
USER
Nope that's it.
ASSISTANT
Okay, the total will be $13.95.
USER
That's fine.
ASSISTANT
Would you like to place the order for now, or for later?
USER
Now please.
ASSISTANT
Okay, I've placed your order. It'll be ready to pick up in 25 minutes.
USER
Awesome, I'm on my way.
ASSISTANT
Was there anything else I could get for you today?
USER
Nope that's it. 
ASSISTANT
Okay, I'm texting the receipt to your cell phone now.
USER
Okay, cool.
ASSISTANT
Enjoy the pizza!
USER
I will, thanks!