Goal: Task 11661: You are looking for a cheap restaurant and it should serve moroccan food. If there is no such venue how about vietnamese type of food. You want to know the phone number.

user: Hello.  I'm trying to find an inexpensive restaurant that serves Moroccan food.  Can you help me?

system: There are no restaurants that match your request. Would you like to search for another food type or price range?

user: How about vietnamese food?

system: Thanh binh is in the cheap price range and serves Vietnamese food.

user: could i have the phone number please?

system: The phone number is 01223 362456.

user: Thank you, goodbye.

system: My pleasure.  Goodbye.