user_turns: <SILENCE> moderately priced no any north north north no <SILENCE> no any any any italian chinese moderately 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 in the moderate price range . What type of food do you want? You are looking for a vietnamese restaurant right? I'm sorry but there is no restaurant serving moderate vietnamese food Could you please repeat that? What part of town do you have in mind? You are looking for a vietnamese restaurant right? api_call R_cuisine north moderate thanh_binh serves vietnamese food I am sorry but there is no other vietnamese restaurant that matches your request thanh_binh serves vietnamese food I am sorry but there is no other vietnamese restaurant that matches your request thanh_binh serves vietnamese food Can I help you with anything else? I am sorry but there is no other vietnamese restaurant that matches your request Can I help you with anything else?  you are welcome