Hi, a newbie to AF here. I got an "exceptional upgrade offer" email to upgrade from PV (A fare) to Affaires for 199EUR on my DTW-CDG flight this weekend. Looked like a pretty good offer to me so I registered last night. Haven't got a call yet. This is on a 3-cabin (J/PY/Y) A343 and the J cabin does look pretty empty with only 40% of the seats taken and J9...Z6.
I was wondering how this works because the email says "for FB members" but I'm not. Will they ask me to join??