user_turns: <SILENCE> restaurant in the west part of town west <SILENCE> welch food british food <SILENCE> phone number address price range thank you goodbye
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 ? What part of town do you have in mind? api_call R_cuisine west R_price meze_bar_restaurant is a great restaurant I am sorry but there is no welsh restaurant that matches your request api_call british west R_price graffiti serves british food . The phone number of graffiti is graffiti_phone Sure , graffiti is on graffiti_address graffiti is in the expensive price range  you are welcome