Task-oriented dialogue about: train

I need a train out of London Kings Cross.
Traveling on what day and to where?
The train should go to Cambridge on Thursday.
Okay, and do you have a preferred time to leave or arrive?
I would like to leave after 13:00 for 5 people please.
The TR2512 leaves london kings cross at 13:17 and arrives cambridge at 14:08. It's price is 23.60 pounds per person. Shall I book it?
Yes please. I would like 5 tickets please.
OK, you have 5 tickets reserved on TR2512. Total fee is 118 GBP. Your reference # is LBJRMI8Y . Can I help with anything else today?
Great that was all I needed thank you for your help!
You're welcome. Have a lovely trip! Goodbye!