U: Hi, I need a train on Sunday leaving peterborough.

S: I have 38 trains leaving peterborough on sunday.  Where are you headed?

U: I am hoping to arrive in cambridge by 12:30.

S: I have 13 trains meeting your criteria. The first leaves at 05:19 and leave every 30 minutes after. Can I book one of them for you?

U: What is the one with the shortest travel time?

S: All the trains take exactly 50 minutes. What time would you like to depart?

U: Hm, I'll take any train that will let me arrive by or before 12:30.

S: Booking was successful. Departs at 11:19 and arrives at 12:09, that will be 13.2 GBP payable at the station, your reference number is QS1AJEL1. Anything else I can help you with?

U: I need a hotel, one with free parking.

S: There are a lot of possibilities here but none indicate free parking, just whether they have parking or not.  Could you list places with free parking?

U: I need an expensive hotel that includes free parking.

S: Express by Holiday Inn Cambridge is an expensive hotel located in the east, and it includes parking. Would you like me to book a stay there for you?

U: Are the rooms spacious and comfortable?
S: The rooms at this hotel are said to be very large. Do you have any other questions about this Holiday Inn?