USER
Hi I want to order a pizza with Ultimate Cheesy Crust with classic marinara sauce
Ultimate Cheesy Crust
pizza_ordering.name.pizza
pizza_ordering.type.crust
classic marinara sauce
pizza_ordering.preference
ASSISTANT
Ok sir, what do you like for your topping
USER
Chicken,meatball, and broccoli
Chicken
pizza_ordering.type.topping
pizza_ordering.type.topping
meatball
pizza_ordering.type.topping
pizza_ordering.type.topping
broccoli
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Uh, Sorry sir we don't have broccoli.
broccoli
pizza_ordering.type.topping.reject
pizza_ordering.type.topping
USER
Why?
ASSISTANT
Beacuse we don't use broccoli
broccoli
pizza_ordering.type.topping
USER
Ok what esle do you have than 
ASSISTANT
We have mushrooms,roasted spinach, red onions etc
mushrooms
pizza_ordering.type.topping
pizza_ordering.type.topping
roasted spinach
pizza_ordering.type.topping
pizza_ordering.type.topping
red onions
pizza_ordering.type.topping
pizza_ordering.type.topping
USER
Ok, ok stop right there do you guys have any normal topping like pineapple
pineapple
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Yes we do sir we have all the veggies.
USER
Than I want my broccoli
broccoli
pizza_ordering.type.topping
pizza_ordering.name.pizza.reject
ASSISTANT
Sorry sir, the broccoli is out; however if you ready want it you can comeback next time.
broccoli
pizza_ordering.type.topping.reject
pizza_ordering.type.topping
USER
No, change broccoli to pineapple.
broccoli
pizza_ordering.type.topping.reject
pizza_ordering.type.topping.reject
pineapple
pizza_ordering.type.topping
pizza_ordering.type.topping
ASSISTANT
Ok sir, you ordered ultimate cheesy crust with classic marinara sauce for the topping is gonna be Chicken,meatball, and pineapple is that right
ultimate cheesy crust
pizza_ordering.type.crust.accept
pizza_ordering.name.pizza.accept
classic marinara sauce
pizza_ordering.preference.accept
Chicken
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
meatball
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
pineapple
pizza_ordering.type.topping.accept
pizza_ordering.type.topping.accept
USER
Yes its
ASSISTANT
Ok your pizaa will be ready in 15 min.
USER
Alright
ASSISTANT
Thank for your understanding.
USER
Nya is alright.
ASSISTANT
Okay sir you wanna pay with card or cash
USER
cash
ASSISTANT
Okay, here is your receipt have a wonderful day.
USER
Bye