Task-oriented dialogue about: train

I am looking for a train that leaves Saturday going to ely, do you have a train with those details?
There are 10 trains on Saturday that go to Ely from Cambridge. What time do you need to leave or arrive, and how many tickets do you need?
I need to arrive by 13:00.
There is one train that arrives at 12:07. That trainID isTR0718.
I need a booking for 4 people.
I've done that. The price will be 14.08 GBP payable at the station. Your reference number is IR7HSMG4 . Any else I can do for you?
No, that will be all
Thank you, you have been very helpful.