U: I need to find out about guesthouses in the north part of the city.

S: I can help with that.  What price range were you looking for?

U: As long as it is 4 star, I'm not really worried about the price.

S: There are about 8 different ones. Most of them offer both free parking and wifi. I can recommend one if you like.

U: I would like free wifi. Could you find me rooms at one, four nights for 2 people, beginning Saturday?

S: Reference number is : DPFNET0I. is there anything else I could help with ?

U: Yes, I'm also looking for a North African restaurant.

S: I don't have a North African restaurant right now, is there another cuisine that appeals to you?

U: no i cant change the type of food

S: Is there anything else I can help you with at this time?

U: are there any expensive restaurants? in the same area as the hotel?

S: What kind of cuisine do you want?

U: I'm fine with anything as long as it's expensive and near the hotel area.

S: There are 5 results for expensive restaurants in the north, would you like to make a reservation? The choices are Chinese, European, French or Asian oriental.

U: Let's do chinese food, please.

S: How about The Hotpot chinese restaurant?  It meets all of your criteria.

U: Do they have a friendly atmosphere
S: Yes. The Hotpot Chinese Restaurant has a great atmosphere. Would you like to make a reservation there?