user_turns: <SILENCE> i want to find a cheap restaurant in the south part of town south <SILENCE> okay could you give me the phone number okay and what about the address okay thank you and 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? api_call R_cuisine R_location cheap golden_house is in the cheap price range The phone number of golden_house is golden_house_phone Sure , golden_house is on golden_house_address  you are welcome