user_turns: <SILENCE> how about chinese food how about chinese food <SILENCE> could i have the phone number please thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? I'm sorry but there is no restaurant serving cuban food api_call chinese R_location R_price shanghai_family_restaurant serves chinese food in the moderate price range The phone number of shanghai_family_restaurant is shanghai_family_restaurant_phone  you are welcome