U: I'm looking for a Saturday train.

S: Of course. I have 404 rail departures on Saturday, could you help me with your itinerary please?

U: I want to leave cambridge to birmingham new street and arrive by 20:45.

S: There is a train leaving at 5:00.

U: Ok, can I get the Train ID and the departure and travel time please?

S: The train you may prefer is the TR5867 that leaves at 18:01 and arrives by 20:44. It takes 163 minutes. Would you like that one?

U: That's perfect. I also need a hotel to stay in. Should be rated 4 stars

S: There are 21 hotels that meet your criteria. Let's try to narrow it down. Can you tell me more about your preferences?

U: Anywhere in the south. As long as it has free wifi.

S: I have 2 options for you, is there a price range you are looking for?

U: No particular price range. I would like to stay in a 4 star guesthouse.

S: May I suggest Rosa's Bed and Breakfast?  It's a cheap, 4 star, guest house.

U: Do they have rooms with a nice view?
S: Rosa's Bed and breakfast has breathtaking views from their rooms according to guests. Want to make a booking?