user_turns: <SILENCE> expensive australian restaurant yes expensive french restaurant french any <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 ? You are looking for a australian restaurant right? I'm sorry but there is no restaurant serving australian food You are looking for a australian restaurant right? There are restaurants serving french in the expensive price range . What area would you like? api_call french R_location expensive cote serves french food in the expensive price range cote is a great restaurant The phone number of cote is cote_phone  you are welcome