U: Hello, Im looking to book a train from broxbourne to cambridge

S: What day will you be travelling?

U: I am leaving on Sunday. I would like to arrive before 20:30.

S: The latest train that will arrive before 20:30 would be train TR1428. It departs at 18:32 and arrives at 19:32. Would that work for you?

U: Not right now but can you tell me the travel time for this train?

S: 60 minutes is the travel time

U: Can I reserve a seat?

S: No, seat reservation is not available. Would you like me to book you a seat?

U: Yes, but I will need the physical ticket to board the train. How can  I got about getting this?

S: There are machines at the station that will dispense your ticket. Do you have any more questions?

U: Thank you! I am also looking for a place to stay.  I would like a guesthouse that includes free wifi.

S: I've found 23 guesthouses with wifi. Would you like to further specify your request, for example by price, star rating, or location?

U: How much is the cheapest place?

S: I can't tell you specifically how much each place will cost per night, but we have places in cheap, moderate, to expensive price ranges.

U: Ok, any guesthouse that has free wifi and free parking will be fine. I will need it for 2 nights and 3 people are staying.

S: What day will you be staying there?

U: We will be staying there starting Sunday.

S: I'll be happy to help you book for that day. Can you give me an area of town you prefer so I can book appropriately?

U: Can you tell me first if the hotel offers free WiFi?
S: Yes, the Acorn Guesthouse offers free wifi for its guests. Do you want to make a booking there now or can I answer any other questions?