user_turns: <SILENCE> talian food italian food west part of town i dont care <SILENCE> phone number what is the phone number thank you goodbye thank you goodbye
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 australian food What part of town do you have in mind? Would you like something in the cheap , moderate , or expensive price range? api_call italian west R_price prezzo is a nice place in the west of town serving tasty italian food prezzo is a great restaurant The phone number of prezzo is prezzo_phone prezzo is a great restaurant  you are welcome