Originally Posted by
blt2882
However, this summer, flying LHR-YUL on a 330, we show up at the gate only to have the gate agent tell me, "Congratulations, you have been moved to business."
In this case, I was flying on a single itinerary booked with my three children under the age of 8, and this guy decided to upgrade me and my 5 year old, leaving my 3 and 7 year olds behind in economy!
The solution in this case is to keep the J seats, and after boarding swap them for your original seats.