user_turns: <SILENCE> european european center moderate <SILENCE> address address 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 serving european food . What area do you want? There are restaurants serving european in the centre of town . What price range would you like? api_call european R_location moderate galleria is a great restaurant serving moderate european food in the centre of town . galleria is a great restaurant Sure , galleria is on galleria_address The phone number of galleria is galleria_phone  you are welcome