user_turns: <SILENCE> cheap restaurant were else food veitnamese vietnamese food vietnamese vietnamese vietnamese vietnam vietnam vietnamese vietnamese <SILENCE> yes vietnamese <SILENCE> yes phone number 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 ? There are restaurants in the cheap price range . What type of food do you want? What kind of food would you like? I'm sorry but there is no restaurant serving world food Could you please repeat that? I'm sorry but there is no restaurant serving world food Could you please repeat that? You are looking for a world restaurant right? I'm sorry but there is no restaurant serving world food Could you please repeat that? I'm sorry but there is no restaurant serving world food Could you please repeat that? api_call vietnamese R_location cheap thanh_binh serves vietnamese food in the cheap price range Can I help you with anything else? api_call vietnamese R_location cheap thanh_binh serves vietnamese food Can I help you with anything else? The phone number of thanh_binh is thanh_binh_phone Sure , thanh_binh is on thanh_binh_address  you are welcome