Task-oriented dialogue about: train

I need a train to Norwich, leaving after 21:30.
On what day will you be traveling on?
I am leaving on Thursday.
Where are you departing from please?
I'll be leaving from Cambridge
ok, the TR9937 leaves at 21:36
What would be the arrival time of that train?
The arrival time of the train TR9937 from cambridge to norwich will be same Thursday by 22:55. Is that okay with you?
What is the total travel time for this trip?
This trip is for 79 minutes and costs 17.60 pounds. Would you like me to book this for you?