U: Please list all moderately priced restaurants in the centre of Cambridge.

S: There are 21 restaurants to choose from. Would you like me to narrow this search down by choosing a type of food you would like to eat?

U: I would really like some good Turkish food.

S: There are two Turkish restaurants listed. Anatolia and Efes Restaurant. Would you like to make a reservation for either of these?

U: Do both the restaurants serve non-alcoholic beverages?
S: Efes Restaurant does seem to have a good variety of non-alcoholic beverages. Views are mixed on the variety of non-alcoholic beverages at Anatolia.