user_turns: <SILENCE> im looking for what about chinese food what about chinese food <SILENCE> whats 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 ? What part of town do you have in mind? I'm sorry but there is no restaurant serving crossover food api_call chinese R_location 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