Goal: Task 11949: You want to find and it should serve swiss food. You don't care about the price range. If there is no such venue how about vietnamese type of food. You want to know the address.

user: I'd like to find a restaurant that serves swiss food. 

system: Im sorry there are no restaurants offering Swiss food in your area.

user: Is there any restaurants that serve Vietnamese food?

system: Thanh Binh serves Vietnamese food.  Is there anything else I can help you with?

user: What's the address?

system: thanh binh's address is 17 Magdalene Street City Centre

user: Thank you, goodbye.

system: Thank you, goodbye.