U: am looking for a train. The train should depart from peterborough and should go to cambridge.

S: I'm sorry, I'm experiencing an error in my system. Could you please restate your request?

U: I am looking for a cheap restaurant on the north side of town.

S: There are two options for you. Royal spice and da vinci pizzeria. Do you have a preference?

U: Which one has the best outdoor dining?
S: The Da Vinci Pizzeria does provide outside seating for its customers, while the Royal Spice doesn't have such an option.