I tried a few searches and didn't see anything on this topic...apologize if this is redundant.
My wife travels sparingly for business. She has a meeting at DFW next week and wanted to get a nicer rental (would love the frequent upgrades I get as five star). When we travel together she is considered a free additional driver. Would I be able to book a car for her and:
-Have her pick it up without me
-possibly get an upgrade

I'd call the DFW branch direct, but any major airport # usually shoots me back to the national reservations line.
Any help appreciated.
Thanks!