user_turns: <SILENCE> im looking for an expensive restaurant christmas food european food european food i dont care <SILENCE> what area is it in what is the address and 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 in the expensive price range . What type of food do you want? I'm sorry but there is no restaurant serving christmas food Could you please repeat that? There are restaurants serving european in the expensive price range . What area would you like? api_call european R_location expensive michaelhouse_cafe serves european food in the expensive price range michaelhouse_cafe is a nice place in the centre of town The phone number of michaelhouse_cafe is michaelhouse_cafe_phone  you are welcome