user_turns: <SILENCE> west part of town yes <SILENCE> fusion food vietnamese yes <SILENCE> phone number phone number 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 ? Did you say you are looking for a restaurant in the west of town? api_call R_cuisine west R_price prezzo is a nice place in the west of town I'm sorry but there is no restaurant serving fusion food You are looking for a vietnamese restaurant right? api_call vietnamese west R_price thanh_binh is a nice place in the west of town serving tasty vietnamese food thanh_binh is a great restaurant The phone number of thanh_binh is thanh_binh_phone  you are welcome