I am looking for a train that departs from cambridge and arrives at my destination by 11:30. 
Certainly. There are a number of trains departing from Cambridge. Where is your destination?
I need to get to Bishops Stortford for a very important meeting. Can you find me a train to get me there by 11:30?
There are 21 trains making that trip, what day would you like to go?
On Saturday. And could you tell me how long that trip takes?
There are three trains that will get you there before 11:30. The trip lasts a total of 38 minutes. How early would you like to leave?
I'd like to take the train that arrives closest to bishops stortford at 11:30.
TR3396 leaves at 09:29 and arrives by 10:07. Is that okay?
Yes. how much would that cost?
The cost of the one way journey is 8.08 pounds.
Perfect. I'm all set. Goodbye!
It was my pleasure. Have a great day.