Task-oriented dialogue about: train

Are there any trains leaving from Cambridge on Thursday?
Yes there are. What is your destination?
I'm heading to Broxbourne.
We have trains leaving hourly from Cambridge to Broxbourne, starting at 5:01 for 17.90 pounds. What time would you like to leave?
I am looking for one that will arrive by 15:00
TR2125 leaves at 09:01 and arrives at 10:01. Would you like me to book that for you?
Yes, I would also like the reference number for the booking please.
Okay, how many tickets would you like?
I need that for 6 people.
You have 6 tickets on TR125 leaving Thursday at 9:01. Reference number is PPP9YI7K . 107.4 GBP will be payable at the station. Can I help you further?
No, I think I'm all set. Thank you very much for your help!
Have a great day!