user_turns: <SILENCE> <SILENCE> east <SILENCE> british food <SILENCE> address phone number <SILENCE> post code 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 ? There are restaurants . That area would you like? api_call R_cuisine east R_price the_slug_and_lettuce is a great restaurant api_call british R_location R_price the_copper_kettle serves british food . Sure , the_copper_kettle is on the_copper_kettle_address The phone number of the_copper_kettle is the_copper_kettle_phone the_copper_kettle serves british food . The post code of the_copper_kettle is the_copper_kettle_post_code  you are welcome