user_turns: <SILENCE> <SILENCE> north cheap <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 ? What part of town do you have in mind? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine north cheap da_vinci_pizzeria is a nice restaurant in the north of town in the cheap price range The phone number of da_vinci_pizzeria is da_vinci_pizzeria_phone  you are welcome