user_turns: <SILENCE> cough uh gastropub uh expensive um center <SILENCE> okay can i get the address okay can i get the address okay um thank you and 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 gastropub food . What area do you want? There are restaurants serving gastropub in the expensive price range . What area would you like? What part of town do you have in mind? api_call gastropub R_location expensive backstreet_bistro is a great restaurant serving expensive gastropub food in the centre of town . backstreet_bistro is a great restaurant Sure , backstreet_bistro is on backstreet_bistro_address the_slug_and_lettuce is a great restaurant serving expensive gastropub food in the centre of town .  you are welcome