user_turns: <SILENCE> a moderately place restaurant moderate price russian food <SILENCE> chinese food <SILENCE> what is 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 ? You are looking for a restaurant is that right? What kind of food would you like? api_call russian R_location moderate Sorry there is no russian restaurant in the moderate price range api_call chinese R_location moderate lan_hong_house is a great restaurant serving chinese food and it is in the moderate price range The phone number of lan_hong_house is lan_hong_house_phone  you are welcome