U: I am looking for an Afghan restaurant in the expensive price range.

S: There are none in that range, perhaps something else?

U: Okay, how about mexican food?

S: Chiquito Restaurant Bar fits that criteria. Would you like to make a reservation?

U: Yes, please. 7 people at 18:30 on tuesday.

S: Unfortunately we can not book you for that date and time. Would you like to try another date or time perhaps?

U: How about 17:30 instead?

S: That's a better time, your reference number is IV21ENWM and the table will be held for you for 15 minutes. Is there anything else you need?

U: Yes, I need a place to stay with free wifi. The hotel should have a 0 star rating. Do you have anything like that?

S: Sure, there is one option. CityRoomz, shall I book a room for you?

U: Is that expensive?

S: It is in the moderate price range.  If you give me your date of arrival, number of guests, and length of stay, I can try to make a reservation for you.

U: I need one that is in the expensive price range.

S: I'm sorry there are no hotels in the expensive range with a 0-star rating, the lowest rating for that price range is a 2-star hotel.  Are you interested?

U: How about a 4 star expensive place to stay that includes free wifi? Can I have the postcode, hotel type, and address of one that meets that description?

S: There are 2 that fit that criteria. One is in the West and the other is in the Centre. Which is better for you?

U: I don't care about the area.  Can you pick one and give me the postcode, hotel type, and address please?

S: Try University Arms Hotel in Centre. It is close to alot since it is right there on Regent Street. Postcode is cb21ad. Anything more you need today?

U: Does this place have a good view from my room?
S: Previous guests have complimented the view from their rooms, calling it picturesque at one point. Is there anything else I can help you with?