user_turns: <SILENCE> uh yes can i find an expensive restaurant that serves italian food center <SILENCE> okay and can i get their address and the phone number okay 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 italian R_location R_price ask is a nice place in the centre of town serving tasty italian food Sure , ask is on ask_address The phone number of ask is ask_phone  you are welcome