An act of kindness

I was traveling by metro train with my two-and-a half year old son. We were sitting down, watching over the window, playing our favorite game "Name the Vehicles." When the train stopped at the next station, an elderly woman got in, and I told my son to sit on my lap so we could offer the seat to the old lady. She came by and sat beside us. As the train neared the next station, an announcement was made about the name of the station and that the door would open on the left. The old lady who sat beside me asked me in a panicked voice, "what's the name of the station that was announced?" When I answered her, she completely panicked. "I boarded the wrong train; I had to board the train on the opposite lane." I told her, "It's alright, just get down at the next stop and switch trains." She said, "But I don't know how." I told her, "Just ask for help form the station officers; they will help her." She said, "But I...