Goal: Task 00078: You are looking for an expensive restaurant and it should serve persian food. If there is no such venue how about european type of food. You want to know the address, phone number, and area of the venue.

user: I am looking for an expensive restaurant that serves Persian food. 

system: There are no Persian restaurants listed. Is there something else I can search for?

user: How about a restaurant that serves European food?

system: There are 4 restaurants that meet those specification. Do you have a preference of the area of town it is located at?

user: The area doesn't matter.

system: Okay, I suggest the Cambridge Lodge Restaurant. They serve great European food and are located in the west part of town. Would you like their phone number?

user: Yes please. And the address as well.

system: their address is Hotel 139 Huntingdon Road City Centre and their phone number is 01223 355166.

user: Thank you goodbye.

system: Goodbye.