If Littlefoot is still in the air, go for another Air Slash, but if she comes down, just go for an Aerial Ace. If she goes up in the air at any point, use Air Slash. Finally, if Littlefoot protects, go for another Swords Dance. It couldn't hurt to have a little extra.

Aerial Ace x3
Sub: If airborne, Air Slash. If Protect is used, Swords Dance.