user_turns: <SILENCE> looking for an expensive restaurant that serves any where repeat that cantonese food how about north_american food <SILENCE> i need the phone number and post code 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? Ok , a restaurant in any part of town is that right? What kind of food would you like? I'm sorry but there is no restaurant serving cantonese food api_call R_cuisine R_location expensive clowns_cafe is in the expensive price range The phone number of clowns_cafe is clowns_cafe_phone  you are welcome