U: I am looking for a train that departs from Cambridge. It needs to leave after 15:00.

S: There are many trains that leave from Cambridge, where are you going and what day would you like to leave?

U: I need to go to stansted airport and I want to leave on Monday

S: Ok, there are 9 different trains, did you have an arrival time you needed?

U: I need to leave after 15:00.

S: Sure. TR7095 is leaving at 15:40. The price is 10.10 pounds and duration 28 minutes. It'll arive at 16:08. Should we book?

U: Yes please.  I also need a place to stay, preferably in the west part of town.

S: In the west, we have four fine lodging establishments. Do you prefer a guesthouse or a hotel?

U: A guesthouse please that is not too expensive.

S: Finches Bed and Breakfast is listed as cheap, and it has 4 stars. Hobson's House is moderately priced, with 3 stars.

U: Can you also make sure that the staff is friendly?
S: According to the reviews I have on hand for that location, the opinions are mixed.  One third found the staff friendly and welcoming, and two thirds found them unprofessional and frustrating.