I'm looking for a train going to Ely please.
What day is this for?
It will be for Thursday.
What time would you like to go?
I just need to arrive by 14:15.
I have three different train choices.  Depending on how early you want to arrive.  I have one arriving at 6:07, one at 8:07 and one at 10:07.
What's the travel time?  Knowing that will help me select on a time.
The travel time is only 17 minutes.
When is the departure time for 10:07?
TR1923 departs cambridge at 9:50 and arrives in ely by 10:07, total travel time of 17 minutes. Do you want to book a ticket?
Not at this time. Thank you for your help! 
Is there any other information I can get for you at this time?
No, that's it.  Thanks!
You're welcome. Enjoy your day.