U: I want to dine in a place in the west.

S: There are many restaurant options available to you. What type of food would you like to eat and what is your price range?

U: I would like a restaurant that serves eritrean food and in the expensive price range.

S: Would you like European food?

U: No.  I said eritrean food.  Do yo have something?

S: I don't have anything that meets those requirements.

U: How about British food?

S: Yes I have three. When would you like the table reserved for and for how many?

U: Is one of those expensive? If so, book me a table there for Thursday for 8 people at 13:30 please.

S: There's actually two expensive places, graffiti and travellers rest. Which would you prefer?

U: Does either of them offer top notch roast dinners?
S: The Graffiti features delicious and authentic food which is expertly prepared while Travellers Rest is predominantly seen as mediocre.