Task-oriented dialogue about: train

I'm looking for a train going to cambridge.
Ok. I can help you find a train. Where will you be departing from?
I will be leaving from Brookshite.
Brookshite? Can you please repeat that?
Sorry about that, i'm leaving from norwich.
ive boked that for you trainID departure destination day leaveAt arriveBy price duration book (optional) TR9900 norwich cambridge friday 05:16 06:35 17.60 pounds 79 minutes
Yes please book that and I need the reference number.
You're all set! The reference number is 44LHUSZT .
Thank you for your help
You are more than welcome!