user_turns: <SILENCE> looking for persian food how about chinese food chinese food the north part of town i dont care <SILENCE> could i have the phone number 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 ? I'm sorry but there is no restaurant serving persian food Could you please repeat that? There are restaurants serving chinese food . What area do you want? There are restaurants serving chinese in the north of town . What price range would you like? api_call chinese north R_price hakka is a nice place in the north of town serving tasty chinese food The phone number of hakka is hakka_phone  you are welcome