Task-oriented dialogue about: train

Let's go with the train first. I'm looking for one that leaves after 16:30 on saturday.
From where and to where will you travel?
I would like to leave cambridge to bishops stortford
I have one leaving at 17:29, arriving in Bishop's Stortford at 18:07. Does that work?
Yes, I'd like three tickets, please.
Great. I have booked those seats for you and your reference number is JAVMFJGM . Is there anything else I can do for you?
No that will be all for now.
Thank you for using our service. Have all of your needs been met?
Yes they have. Thanks.
You're welcome, enjoy your trip.