Originally Posted by
mnredfox
A change to two people on the same PNR at the same time is considered one change. But call again tomorrow with another change, it's change #2.
What if you call back same day? I'd wager they would say that's a new change.
It happens more often than not - to me at least. I'll sometimes readily agree to an agent's suggestion, but in hindsight later in the day, realise that I'd prefer something a little different - like getting a slightly earlier flight.