Goal: Task 12393: You are looking for a restaurant in the south part of town and it should serve greek food. If there is no such venue how about chinese type of food. You want to know the address and price range.

user: I would like a restaurant in the south part of town that serves greek food

system: I am sorry there no restaurants matching what you want. Is there anything else?

user: How about Chinese food?

system: Would you like something in the expensive or cheap price range? 

user: Cheap, I think.

system: the lucky star serves chinese food, is located in the south part of town and is in the cheap price range.  Would you like more information for them? 

user: What is the address? 

system: Cambridge Leisure Park Clifton Way Cherry Hinton

user: Thank you goodbye.

system: You're welcome. Goodbye.

user: Goodbye.

system: Good bye.