user_turns: <SILENCE> belgium food european food expensive restaurant any <SILENCE> whats the address what is the phone number what 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 ? I'm sorry but there is no restaurant serving belgian food There are restaurants serving european food . What area do you want? There are restaurants serving european in the expensive price range . What area would you like? api_call european R_location expensive eraina serves european food in the expensive price range Sure , eraina is on eraina_address The phone number of eraina is eraina_phone eraina is a nice place in the centre of town  you are welcome