U: Hello, I'm looking for local tourist attractions located in the west. May I please have that information?

S: Yes, in the west, I have colleges and museums. Some are free and some cost several pounds.  Would you like information for a college?

U: Yes tell me about the colleges.

S: There are five colleges in the west but the most prestigous one is churchill college, would you like more information?

U: Could you pick the best on and give me the address?

S: Clare hall is the best the address is herschel road.

U: Thank you.  Could yo also find a Polish restaurant in the expensive range in the same area?

S: There are no expensive Polish restaurants in the west, are there any other sorts of restaurants you would like?

U: How about something that serves british food?

S: graffiti is very popular and suits all your needs. Can I book it for you?

U: Do they have a large wine selection?
S: I don't see anything specifically for wine but I do see mixed opinions about the drink options. Would you like me to see what else I can find out about it?