Goal: Task 00795: You are looking for a cheap restaurant and it should serve belgian food. If there is no such venue how about italian type of food. You want to know the address and phone number of the venue.

user: Is there a cheap restaurant serving belgian food? 

system: What area are you interested in?

user: I do not care what area it is in.

system: There are no cheap Belgian restaurants. Would you like to change your query?

user: How about a cheap restaurant serving Italian food?

system: da vinci pizzeria serves italian food in the cheap price range and in the centre of town, is there anything else i can help you with?