user_turns: <SILENCE> im looking for an expensive restaurant that serves gastropub food <SILENCE> yea whats the address whats the 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 ? api_call R_cuisine R_location expensive backstreet_bistro is a great restaurant serving gastropub food and it is in the expensive price range Sure , backstreet_bistro is on backstreet_bistro_address The post code of backstreet_bistro is backstreet_bistro_post_code  you are welcome