user_turns: <SILENCE> gastropub dont care <SILENCE> address address 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 ? Would you like something in the cheap , moderate , or expensive price range? api_call gastropub R_location R_price The price range at backstreet_bistro is expensive . backstreet_bistro is a great restaurant Sure , backstreet_bistro is on backstreet_bistro_address  you are welcome