user_turns: <SILENCE> an expensive <SILENCE> <SILENCE> japanese food <SILENCE> address area 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 ? What part of town do you have in mind? api_call R_cuisine R_location expensive meghna is a great restaurant api_call japanese R_location expensive wagamama serves japanese food . Sure , wagamama is on wagamama_address Can I help you with anything else?  you are welcome