USER
Hey, I'm hungry. Can you order me a pizza?
pizza
pizza_ordering.pizza_order.accept
ASSISTANT
No problem. How many do you need?
USER
Just one pizza.
ASSISTANT
What size pizza?
USER
It's pizza Friday at my house so make it a XL. I like having leftovers for a snack.
XL
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza
ASSISTANT
Sure. Any particular pizza parlors you want to order from?
USER
I'm between Joey's and Serious Pie. Can you check to see if they both allow pick up?
Joey's
pizza_ordering.name.store.reject
pizza_ordering.name.store
Serious Pie
pizza_ordering.name.store
pizza_ordering.name.store.accept
ASSISTANT
They both do delivery and pick up.
USER
My kids like Serious Pie more so let's order from there. They be so excited.
Serious Pie
pizza_ordering.name.store.accept
pizza_ordering.name.store.accept
ASSISTANT
What type of pizza?
USER
This is the hard part. My family loves their Sweet Bahama #3, but we like it with onions instead of peppers, can you see if they can do that?
Sweet Bahama #3
pizza_ordering.name.pizza.reject
onions
pizza_ordering.type.topping.accept
pizza_ordering.type.topping
peppers
pizza_ordering.type.topping.accept
pizza_ordering.type.topping
ASSISTANT
They are asking if you want the spinach still or just onions?
spinach
pizza_ordering.type.topping
pizza_ordering.type.topping.accept
onions
pizza_ordering.type.topping
USER
No, their special is spinach with peppers and we just want to switch out the peppers for onions.
spinach with peppers
pizza_ordering.name.pizza.reject
pizza_ordering.type.topping
peppers
pizza_ordering.type.topping
peppers for onions
pizza_ordering.name.pizza.reject
onions.
pizza_ordering.type.topping
ASSISTANT
So spinach and onions?
spinach
pizza_ordering.type.topping
spinach and onions
pizza_ordering.name.pizza.reject
onions
pizza_ordering.type.topping
USER
Yes.
ASSISTANT
That won't be a problem. They can do that. 
USER
Sorry, can you actually see if they can do spinach and peppers on one half and spinach and onions on the other?
spinach
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
spinach and peppers on one half
pizza_ordering.type.topping
peppers
pizza_ordering.type.topping.accept
spinach and onions on the other
pizza_ordering.type.topping
onions
pizza_ordering.type.topping.accept
ASSISTANT
Of course. They said it won't be a problem at all. 
USER
Perfect, go ahead and order that.
ASSISTANT
Your order for one XL half spinach and peppers and half spinach and onions is complete. The pizza will be ready in 25 minutes. I sent you a receipt via text message to your cell phone.
XL
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
half spinach and peppers
pizza_ordering.type.topping.accept
spinach
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
peppers
pizza_ordering.type.topping.accept
half spinach and onions
pizza_ordering.type.topping.accept
onions
pizza_ordering.type.topping.accept
USER
Thank you!! Have a great night.