U: I would like an expensive restaurant that serves afghan food

S: It does not appear there are any restaurants serving afghan food

U: How about asian oriental food?

S: Kymmoy is in centre, and Saigon City is in north.  Would you like more information on one of those?

U: Which one would you say has the best view?
S: The Kymmoy restaurant features great views of the nearby lake while the Saigon City has amazing views of the city's skyline.