USER
Alexa order a pizza from Caesar's pizza on Somerville Ave
Caesar's pizza
pizza_ordering.name.store.accept
pizza_ordering.name.store.accept
Somerville Ave
pizza_ordering.location.store.accept
pizza_ordering.location.store.accept
ASSISTANT
Would you like a large or medium Pizza?
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
medium
pizza_ordering.size.pizza
pizza_ordering.size.pizza
USER
large please
large
pizza_ordering.size.pizza
pizza_ordering.size.pizza
ASSISTANT
Do you want thin crust or regular crust?
thin crust
pizza_ordering.type.crust
pizza_ordering.type.crust
regular crust
pizza_ordering.type.crust
pizza_ordering.type.crust
USER
Regular crust
Regular crust
pizza_ordering.type.crust.accept
pizza_ordering.type.crust.accept
ASSISTANT
What toppings do you want?
USER
sasauge and onions
sasauge
pizza_ordering.type.topping
pizza_ordering.type.topping
onions
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
sasusage is unavailble, would you like a different topping?
sasusage
pizza_ordering.type.topping.reject
pizza_ordering.type.topping.reject
USER
ham please
ham
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
One large regular pizza with ham and onions
large
pizza_ordering.size.pizza.accept
pizza_ordering.size.pizza.accept
regular pizza
pizza_ordering.name.pizza.accept
ham
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
onions
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
USER
thanks
ASSISTANT
Would you like to order anything else?
USER
no
ASSISTANT
When would you like the pizza? 
USER
as soon as possible
ASSISTANT
Pizza will be ready in 25 minutes
USER
thanks
ASSISTANT
Receipt will texted to you 
USER
thanks
ASSISTANT
Order is confirmed