SEAT-SWAP REQUEST GARNERS SYMPATHY — TO A POINT DEAR MISS MANNERS: I took a 15-hour overseas flight that began around midnight. I sat by a window, and both seats next to me (the middle seat and the aisle seat) happened to remain unoccupied. The cabin lights dimmed after the meal, and everyone began settling in to sleep. At that point, a somewhat older lady (maybe aged 60), who was seated across the aisle in the center section, came and sat in the empty aisle seat in my row. She leaned over to me and quite humbly asked a question in broken English. After multiple repeats, she finally confirmed…