U: Please list all restaurants in Cambridge centre in the moderate price range.

S: There are 21 restaurants matching your criteria. Is there a type of cuisine that interests you?

U: Possibly Italian if that's available for 3 people on Thursday at 13:30.

S: There are 2 choices, pizza express serves Italian food with a moderate price range, or pizza express Fen Ditton also in the moderate price range. Which shall I reserve?

U: Which one has high-quality pizza?
S: They are both Pizza Express restaurants, just different locations. The food would be very similar. They both rate very high for their pizzas. Which location would be better for you?