user_turns: <SILENCE> uh yes i need <SILENCE> a cheap restaurant in the west part of town <SILENCE> and the address and the phone number uh 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 R_price zizzi_cambridge is a great restaurant api_call R_cuisine west cheap thanh_binh is a nice restaurant in the west of town in the cheap price range Sure , thanh_binh is on thanh_binh_address The phone number of thanh_binh is thanh_binh_phone  you are welcome