USER
Hi, I'd like to order a pizza from Pizza Hut, please.
Pizza Hut
pizza_ordering.name.store.accept
pizza_ordering.name.store.accept
ASSISTANT
Ok, what kind of pizza would you like? 
USER
I'd like to get a Hawaiian pizza with jalapenos on it.
Hawaiian pizza
pizza_ordering.name.pizza
pizza_ordering.name.pizza
jalapenos
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Ok. What size pizza would you like to order?
USER
I'll get a medium.
medium
pizza_ordering.size.pizza
pizza_ordering.size.pizza
ASSISTANT
Great. Would you like to place an order for delivery, or for pickup?
USER
I can come pick it up.
ASSISTANT
Ok, please give me a moment while I confirm the details of your order. I'm sorry, the restaurant is out of jalapenos.
jalapenos
pizza_ordering.type.topping.reject
pizza_ordering.type.topping.reject
USER
Ok, do they have bell peppers?
bell peppers
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Would you like to add red, green or yellow bell peppers?
red
pizza_ordering.type.topping
pizza_ordering.type.topping
green
pizza_ordering.type.topping
pizza_ordering.type.topping
yellow bell peppers
pizza_ordering.type.topping
pizza_ordering.type.topping
USER
Green.
Green
pizza_ordering.type.topping
ASSISTANT
No problem. To confirm, you'd like to order a medium Hawaiian pizza with green bell peppers added.
medium
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
Hawaiian pizza
pizza_ordering.name.pizza.accept
pizza_ordering.name.pizza.accept
green bell peppers
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
USER
Yes, that sounds good.
ASSISTANT
Ok, your order has been sent to the restaurant.
USER
Thanks. When will it be ready?
ASSISTANT
Your pizza will be available for pick up in 25 minutes.
USER
Ok, thank you very much.
ASSISTANT
Can I help you with anything else?
USER
No thank you, that's all.
ASSISTANT
Great. Enjoy your pizza.