First, welcome to FT!
Second, odds are very good that your flight has no available 'R' space right now. But that could change, and when it does, you may get confirmation of the upgrade.
I would encourage you to read the wiki in this thread to learn more about R space and eups.
Last edited by Adam Smith; Jun 20, 2022 at 9:52 pm
Reason: Edit to reflect thread move