Originally Posted by
xSTRIKEx6864
So like you book tickets for you and a friend, each ticket is $300 and your friend pays you back the $300 in cash... then later you redeem cash back, do you refund the $300? I say no. The cash back / rewards are not a part of the transaction between you and the friend.
This.
If you give the money back to the friend/partner/whatever, you've essentially given them your points, which OP said they were against.