user_turns: <SILENCE> uh cheap restaurant in north part of town any kind cheap <SILENCE> address phone number type of food type of food 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 kind of food would you like? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine north cheap da_vinci_pizzeria is a nice place in the north of town and the prices are cheap Sure , da_vinci_pizzeria is on da_vinci_pizzeria_address The phone number of da_vinci_pizzeria is da_vinci_pizzeria_phone da_vinci_pizzeria is a great restaurant da_vinci_pizzeria serves italian food  you are welcome