user_turns: <SILENCE> im looking for an expensive restaurant that serves european any part of town <SILENCE> phone number what is the phone number and the 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 ? What part of town do you have in mind? api_call european R_location expensive michaelhouse_cafe serves european food in the expensive price range michaelhouse_cafe is a great restaurant The phone number of michaelhouse_cafe is michaelhouse_cafe_phone michaelhouse_cafe is a nice place in the centre of town  you are welcome