user_turns: <SILENCE> south mediterranean south south viet vietnamese korean <SILENCE> cheap korean 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 ? What kind of food would you like? There are restaurants serving mediterranean food . What area do you want? What part of town do you have in mind? Did you say you are looking for a restaurant in the south of town? I'm sorry but there is no mediterranean restaurant in the south of town Could you please repeat that? api_call vietnamese R_location R_price thanh_binh serves vietnamese food I'm sorry but there is no vietnamese restaurant in the south of town Can I help you with anything else?  you are welcome