user_turns: <SILENCE> cheap any north north <SILENCE> phone number phone number food type of food type of food 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 north cheap da_vinci_pizzeria is a nice place in the north of town and the prices are cheap da_vinci_pizzeria is a great restaurant The phone number of da_vinci_pizzeria is da_vinci_pizzeria_phone royal_spice is a nice place in the north of town and the prices are cheap royal_spice is a great restaurant royal_spice serves indian food  you are welcome