user_turns: <SILENCE> i would like a restaurant that serves gastropub food no no <SILENCE> i would like gastropub gastropub yes any area any part of town what is the address and post code 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 ? What kind of food would you like? You are looking for a vietnamese restaurant right? api_call gastropub R_location R_price thanh_binh serves vietnamese food I am sorry but there is no other vietnamese restaurant that matches your request Can I help you with anything else? There are restaurants serving gastropub food . What area do you want? What part of town do you have in mind? backstreet_bistro serves gastropub food in the expensive price range backstreet_bistro is on backstreet_bistro_address  you are welcome