user_turns: <SILENCE> cheap restaurant any yes what <SILENCE> may i have the address 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 ? There are restaurants in the cheap price range . What type of food do you want? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? api_call R_cuisine R_location 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  you are welcome