user_turns: <SILENCE> find me an expensive restaurant serving portuguese food <SILENCE> what kind of food does it find me a portuguese restaurant what is the price range find me an expensive portuguese restaurant how about mediterranean food what is the address 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 part of town do you have in mind? api_call portuguese R_location expensive restaurant_one_seven is a great restaurant restaurant_one_seven serves british food nandos serves portuguese food . nandos is in the cheap price range Sorry there is no portuguese restaurant in the expensive price range la_mimosa is a great restaurant serving mediterranean food and it is in the expensive price range Sure , la_mimosa is on la_mimosa_address The phone number of la_mimosa is la_mimosa_phone  you are welcome