Goal: Task 08310: You are looking for and it should serve russian food. You don't care about the price range. If there is no such venue how about european type of food. You want to know the address and phone number.

user: Can you help me find a Russian restaurant?

system: I'm sorry, there are Russian restaurants. Do you have a secondary choice?

user: Yes, what about European type food?

system: Please wait a moment while I check for European restaurants for you

user: If you find a European restaurant, I would also like the address and phone number. 

system: Cambridge lodge restaurant serves european food, their phone number is 01223 355166 and address is Cambridge Lodge Hotel 139 Huntingdon Road City Centre

user: Thank you. Good bye.

system: thank you good bye