"See?" she says. "It makes a difference!" She goes on about how her job is a ministry. How people just need something to cling to once in a while. Salvation can be as simple as a word, really. Or maybe a song.
Ellen radios the dispatcher and starts pulling the bus out of the lot. Sometimes she sees hundreds of people a day on that shuttle, and they won't all remember her. Maybe some don't even care if she sings or not. But most do, so it's all right. Besides, planes are always landing at the airport, and Ellen Trevathan drives all night.