USER
I would like you to order pizza for me.
ASSISTANT
Where would you like it from?
USER
How about from Patxi's on Zanker Road?
Patxi's
pizza_ordering.name.store.accept
pizza_ordering.name.store.accept
Zanker Road
pizza_ordering.location.store.accept
pizza_ordering.location.store.accept
ASSISTANT
Sounds great. What would you like?
USER
I want a small pizza .
small
pizza_ordering.size.pizza
pizza_ordering.size.pizza
ASSISTANT
They don't have small size. Actually they have only 10 inch or 14 inch sizes.
small
pizza_ordering.size.pizza.reject
pizza_ordering.size.pizza.reject
10 inch
pizza_ordering.size.pizza
14 inch
pizza_ordering.size.pizza
USER
Make it 10 inch.
10 inch
pizza_ordering.size.pizza
ASSISTANT
What toppings would you like on your pizza?
USER
Tomato sauce, Whole Milk Mozzarella, Green Pepper, Pineapple, Red Onions, Mushroom.
Tomato sauce
pizza_ordering.preference
pizza_ordering.type.topping
Whole Milk Mozzarella
pizza_ordering.preference
pizza_ordering.type.topping
Green Pepper
pizza_ordering.type.topping
pizza_ordering.type.topping
Pineapple
pizza_ordering.type.topping
pizza_ordering.type.topping
Red Onions
pizza_ordering.type.topping
pizza_ordering.type.topping
Mushroom
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
How about Fresh Jalapeños?
Fresh Jalapeños
pizza_ordering.type.topping
Jalapeños
pizza_ordering.type.topping.reject
USER
No. That can be too spicy.
ASSISTANT
What crust would you like?
USER
Thin crust.
Thin crust
pizza_ordering.type.crust
pizza_ordering.type.crust.accept
ASSISTANT
Anything else you want with it?
USER
Yes, salad.
ASSISTANT
What kind of salad?
USER
Mixed Greens Salad
ASSISTANT
What dressing?
USER
Oil & Vinegar.
ASSISTANT
Ok. Anything else?
USER
No. That's all.
ASSISTANT
Let me repeat everything. One Mixed Greens salad with Oil & Vinegar. One 10" size thin crust pizza with Whole milk Mozzrella cheese, tomato sauce, Green Pepper, pineapple, red Onions, mushroom.
10"
pizza_ordering.size.pizza.accept
10" size thin crust
pizza_ordering.type.crust.accept
thin crust pizza
pizza_ordering.name.pizza.accept
Whole milk Mozzrella cheese
pizza_ordering.type.topping.accept
pizza_ordering.preference.accept
tomato sauce
pizza_ordering.type.topping.accept
pizza_ordering.preference.accept
Green Pepper
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
pineapple
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
red Onions
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
mushroom
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
USER
That's it. 
ASSISTANT
Your order is placed and pizza will be ready to pick up in 25 minutes.
USER
Thanks.