Originally Posted by nickerss

I once had a complicated itinerary in J for which I wanted to UuA one of the segments to F. Couldn't do it online and didn't want to sit on the phone for an hour on hold. Used the YouFirst webform and they replied 8 minutes later saying the Avios had been deducted from my account. I logged into MMB and indeed everything had been taken care of. I was impressed.