Originally Posted by
mre5765
I've been mildly curious about this for a while: if one party (e.g. my employer, via its corporate travel agent) buys a ticket with my name and MP# on the reservation, can I separately call United to change the fare and pay out of my own credit card?
I don't think that UAL has a problem with that. Call them and tell them you want to upsell, but pay for it on your own. I am pretty sure that you will be able to do that. It is certainly worth a try anyway.