user_turns: <SILENCE> <SILENCE> catalan food catalan food expensive dont care yes <SILENCE> what is 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 ? What kind of food would you like? There are restaurants if you don't care about the food . What area do you want? What part of town do you have in mind? Let me confirm , You are looking for a restaurant in the expensive price range right? api_call R_cuisine R_location expensive bedouin is in the expensive price range saigon_city serves asian_oriental food in the expensive price range  you are welcome