user_turns: <SILENCE> what about british food i need an expensive restaurant serving british food no i need an expensive restaurant serving british food <SILENCE> can i get 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 christmas food You are looking for a christmas restaurant right? I'm sorry but there is no restaurant serving christmas food api_call british R_location expensive the_cambridge_chop_house serves british food in the expensive price range The phone number of the_cambridge_chop_house is the_cambridge_chop_house_phone  you are welcome