USER
Hey, can you get a pizza ordered for me?
ASSISTANT
Sure, which pizza establishment would you like it from?
USER
Little Caesars.
Little Caesars
pizza_ordering.name.store
pizza_ordering.name.store
ASSISTANT
Okay, sounds great. What kind of pizza would you like?
USER
A large pizza with pepperoni and bell peppers.
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
pepperoni
pizza_ordering.type.topping
pizza_ordering.type.topping
bell peppers
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Okay, no problem. Anything else with the pizza?
USER
No, just the pizza.
ASSISTANT
OK. I'll get that ordered for you right now.
USER
Awesome, thanks.
ASSISTANT
Sorry to inform you, but Little Caesars does not have bell peppers at the moment, would you like to order something else?
Little Caesars
pizza_ordering.name.store
pizza_ordering.name.store
bell peppers
pizza_ordering.type.topping.reject
pizza_ordering.type.topping.reject
USER
Yeah, I guess. Let's to pepperoni and sausage.
pepperoni
pizza_ordering.type.topping
pizza_ordering.type.topping
sausage
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Okay, sorry about that.
USER
No problem.
ASSISTANT
OK, I have a large pepperoni and sausage pizza from Little Caesars ready to be picked up in about 25 minutes.
large
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
pepperoni
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
sausage
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
Little Caesars
pizza_ordering.name.store.accept
pizza_ordering.name.store.accept
USER
Okay, great, thanks a lot. 
ASSISTANT
The receipt should be sent to your phone shortly.
USER
OK.
ASSISTANT
Anything else?
USER
Nope, thanks.
ASSISTANT
Not a problem. 