user_turns: <SILENCE> cheap yes yes north cheap cheap <SILENCE> anything else 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 kind of food would you like? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? There are restaurants in the north of town serving any kind of food . What price range would you like? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine north cheap royal_spice is a nice place in the north of town and the prices are cheap da_vinci_pizzeria is a nice place in the north of town and the prices are cheap The phone number of da_vinci_pizzeria is da_vinci_pizzeria_phone  you are welcome