U: Please recommend me an expensive restaurant that serves afghan food.

S: I'm not finding any restaurants that match your request. Would you like to try a different price range or food type?

U: European food?

S: There are four restaurants that serve European food. What part of town would you like?

U: I don't care where it is.

S: Eraina in the centre is an expensive european restaurant. Would you like further information?

U: Do they have a nice view?
S: The majority of the customers like the view while some feel it's just mediocre. Would you like to know more about Eraina?