I had my own, albeit smaller, version of this. I was taking my college placement testing, yet when I tried to turn my scores in, the lady at the desk was convinced I had nothing scheduled for that day. She confirmed my name, my birthday, it was only when we checked address when we realized she had the wrong file. Turned out, some time before me since I got a late start at college, someone with the same exact name, born the same exact month, on the same exact day, exactly one year before me, went to the same college. I really should ask if I could get their email so I can just drop them a line an maybe make their day.