user_turns: <SILENCE> <SILENCE> italian no no no no <SILENCE> phone number 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 ? I'm sorry but there is no restaurant serving barbeque food You are looking for a barbeque restaurant right? Let me confirm , You are looking for a restaurant in the cheap price range right? I'm sorry but there is no restaurant serving barbeque food Let me confirm , You are looking for a restaurant in the cheap price range right? api_call italian R_location R_price da_vinci_pizzeria serves italian food in the cheap price range da_vinci_pizzeria is a great restaurant The phone number of da_vinci_pizzeria is da_vinci_pizzeria_phone  you are welcome