user_turns: <SILENCE> i need a moderately priced restaurant that serves world food what about chinese food what about chinese food how about chinese food no yes how about chinese food <SILENCE> the phone number <SILENCE> thank you goodbye thank you goodbye
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 world food Sorry would you like something in the east or in the centre I'm sorry but there is no restaurant serving world food You are looking for a world restaurant right? Let me confirm , You are looking for a restaurant in the moderate price range right? I'm sorry but there is no restaurant serving world food api_call chinese R_location R_price golden_wok is in the moderate price range The phone number of golden_wok is golden_wok_phone lan_hong_house is in the moderate price range lan_hong_house is a great restaurant  you are welcome