user_turns: <SILENCE> i need a moderately priced restaurant serving world food british food <SILENCE> what is the 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 ? I'm sorry but there is no restaurant serving world food api_call british R_location R_price saint_johns_chop_house serves british food in the moderate price range The phone number of saint_johns_chop_house is saint_johns_chop_house_phone  you are welcome