user_turns: <SILENCE> cheap restaurant welsh food italian italian food north <SILENCE> address 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 ? I'm sorry but there is no restaurant serving welsh food Could you please repeat that? There are restaurants serving italian in the cheap price range . What area would you like? api_call italian north cheap da_vinci_pizzeria is a great restaurant serving cheap italian food in the north of town . da_vinci_pizzeria is a great restaurant 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