U: I am looking for a restaurant.

S: What type of food are you looking for?

U: I'm looking for unusual food. And I want a place in the centre of town.

S: I don't have anything matching unusual but I do have an African restaurant in the center of town as well as some gastropubs. Would either interest you?

U: I'll take something that is cheap.

S: There are a total of 15 restaurants that are cheap in the centre. Is there another type you would like to try?

U: Do you recommend a restaurant that is a little more different then the rest?

S: I would recommend golden house

U: Do they have quality ma po tofu there?
S: The Golden House does have some mixed reviews from customers who ordered Ma Po Tofu. Would you like to check out some other places?