Task-oriented dialogue about: train

I need to what trains are leaving Friday evening.
Where are you looking to depart from?
I'm leaving from Peterborough.
There are two trains an hour leaving peterborough all evening. Do you know what time you plan to leave?
Not really. I want to get there by 20:45 though.
TR4182 leaves Peterborough at 18:19 and arrives in Cambridge at 19:09. Will this work for you?
Yes, that's perfect. What is the price?
The price is 16.50 pounds.
Thank you very much. That is all for today.
Are you certain you don't need further assistance?
Yes I am sure. Thank you.
You're welcome. Thank you for using the Cambridge TownInfo centre. Goodbye.