We discovered early on, Nelli, that telling a fonctionnaire that there is any kind of change in one’s status does not automatically proceed any further than his/her ears. It’s not the way French bureaucracy works, you have to effect the change on your records by completing or amending them yourself. The fonctionnaire will guide you in doing that but s/he does not expect to do it for you. Theirs is a much more adult service, and may appear a bit stern, but is intended to encourage self-reliance and civic responsibility, or that’s how I interpret it.
But I do hope all goes smoothly for you here in France, because we find that people are extraordinarily welcoming to foreigners, and tolerant of our unusual ways