user_turns: <SILENCE> how about british food british food any <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 singaporean food What part of town do you have in mind? api_call british R_location expensive grafton_hotel_restaurant serves british food in the expensive price range The phone number of grafton_hotel_restaurant is grafton_hotel_restaurant_phone  you are welcome