Originally Posted by beaubo
Date changes to any segment EXCEPT for your original transatlantic flight can be made at any time
For the situation about which I have been asking, this is excellent news for me, as I need to extend the duration of my stay in Bucharest.
According to this, I can now change the date of my return flight to a later date.
I am glad I took a chance and purchased this airfare.
Thank you, everyone!