user_turns: <SILENCE> i need a restaurant in the west part of town that serves english food <SILENCE> how about one that serves british food <SILENCE> what is the address and phone number what is the price range 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 ? api_call english west R_price Sorry there is no english restaurant in the west of town api_call british west R_price graffiti is a nice restaurant in the west of town serving british food The phone number of graffiti is graffiti_phone graffiti is in the expensive price range  you are welcome