Task-oriented dialogue about: train

i am looking for a train. The train should leave on Monday and should arrive by 12:45.
Where would you like to go?
I would like to depart from Cambridge, and travel to Bishops Stortford.
Is there a time you would like to be picked up by?
I want to get there by 12:45.
The TR7928 goes from cambridge to bishops stortford on monday at 11:29 arriving at 12:07. Shall I book that for you?
I need to book it right now but what is that travel time?
The travel time on TR7928 is 38 minutes. Should I book it for you?
What is the price for that train?
The price is 10.10 pounds per ticket. I can make those reservations for you if you'd like.
Not right now. I need to make sure of how many of us can go. Thank you
Glad I could help.