user_turns: <SILENCE> <SILENCE> dont care dont care dont care japanese expensive no <SILENCE> <SILENCE> phone number 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 ? What part of town do you have in mind? What kind of food would you like? I'm sorry but there is no restaurant serving moderate japanese food Let me confirm , You are looking for a restaurant in the expensive price range right? api_call japanese R_location expensive wagamama serves japanese food in the expensive price range wagamama is a great restaurant I am sorry but there is no other japanese restaurant in the expensive price range wagamama serves japanese food wagamama is a great restaurant  you are welcome