user_turns: <SILENCE> restaurant west part of town japanese food japanese <SILENCE> west part of town italian food in the west part of town italian food west part of town phone number i need a 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 ? You are looking for a persian restaurant right? api_call japanese west R_price wagamama serves japanese food I'm sorry but there is no japanese restaurant in the west of town Can I help you with anything else? prezzo is a nice place in the west of town serving tasty italian food Could you please repeat that? The phone number of prezzo is prezzo_phone  you are welcome