>If >my invitation is declined once because the lady is booked, I will >[probably] not ask her again, no matter how nice a person or how good a >dancer she seems to be--I have more pleasant ways to spend my life.
Doesn't that make it HER problem rather than yours, and if it bothers
her she will see the downside of her position and change her policy. If
she still doesn't change, you've lost nothing. I'd prefer to assume she
could figure that out for herself.