user_turns: <SILENCE> im looking for an expensive restaurant that serves european food any <SILENCE> whats the address whats the 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 ? There are restaurants serving european in the expensive price range . What area would you like? api_call european R_location expensive cambridge_lodge_restaurant serves european food in the expensive price range Sure , cambridge_lodge_restaurant is on cambridge_lodge_restaurant_address The phone number of cambridge_lodge_restaurant is cambridge_lodge_restaurant_phone  you are welcome