Task-oriented dialogue about: train

I'm looking for information on a train that will arrive at 20:45 Wednesday.
I have 318 trains running on Wednesday, to help narrow it down where will you be departing/arriving?
The train should depart from cambridge and should go to kings lynn.
Train TR3234 leaves at 19:11 and arrives by 19:58. Shall I book that one for you?
Yes. Thank you very much.
Great. I have booked your ticket, your reference number is : NSRUZ1F6 . May I help you with anything else today?
No thank you. That is all.
I'm glad we could help. thank you and goodbye!