Originally Posted by o mikros

This is a common misconception, even among agents, and it is NOT TRUE. I have had to ask GAs to contact their help desk and every time they have gotten off the phone with an apology and an offer to put my fiancee (or whomever the travel companion is) on the UG list with my status. Not only can the PNRs be separate, but the fare basis doesn't even have to be the same.