The Polar Express2004

Conductor:
Who in the blazes applied that emergency brake?!

Know-It-All:
[points to the Hero Boy] He did.

Conductor:
[sternly approaches the Hero Boy] You! In case you didn't know, that cord is for emergency purposes only! And in case you weren't aware, Tonight is Christmas Eve! And in case you hadn't noticed, this train is on a very tight schedule! Now, young man, Christmas may not be important to some people, but it is very important to the rest of us!

Hero Boy:
But... But...

Hero Girl:
...he was just trying to stop the train so that kid could get on.

Conductor:
I see. Young man, is that what happened?

Hero Boy:
[Nods]

Conductor:
Well, let me remind you we are on a very tight schedule. I've never been late before [checks watch] a-a-and I am certainly not going to be late tonight! Now, everybody, take your seats, please! Thank you.