I selected seats for LGA-MIA and MIA-LGA via AA a few months ago for myself, my wife, and our 4 year old (plus a lap child of 20 months). Looking at aa.com now, I see that there aren't any seats assigned to us for either flight. My guess is this is because the flight times changed slightly since the time of booking, so all seat assignments must've had to have been rebooked. Problem now is that there are only ~10 seats now available on both flights, and they're all middle seats scattered throughout the plane. Would AA be able to figure something out for us? I can't expect them to produce 3 adjacent seats, but they wouldn't allow a 4 year old to sit by himself for a 3 hour flight, right?