Task-oriented dialogue about: train

Yes, I need a train for Tuesday.
What time of day would you like to travel, and to where?
I'm departing from Norwich on Tuesday and need to arrive in Cambridge by 09:15.
Train TR0339 leaves Norwich at 07:16 and arrives in Cambridge at 08:35. Would you like me to book this train?
Yes how long is the travel time?
Travel time will be 79 minutes total.
Great! This information is all I need. Thank you for your help.
You are welcome. Have a nice day.