U: I'm looking for an expensive restaurant in the centre.

S: I can recommend several restaurants in the centre of town. Are you looking for any type of food in particular

U: Yes, Caribbean food please.

S: There is no matching restaurant. Would you like to change your search criteria?

U: What about a restaurant that serves european food?

S: I found 2 expensive european restaurants and 1 expensive modern european restaurant.  Which kind would you prefer?

U: I don't have a preference.

S: Okay, I can book your table at Eraina. They serve european food. How many in your party, what day and time please?

U: I'm an escargot snob, do they have the best?
S: According to some of the reviews left by previous customers it is delicious and great.  However According to some other reviews it is mediocre at best.