Yuna:Yodelahihoo!
or
Yuna:Come buy items at Barkeep's.Quick they are about to finish.
Rikku:Buy everything you need with a great discount of 50%
Paine:Yeah 50%,sure got it!

Rikku:Paine don't do it
Paine:Nothing can stop...
Yuna:Come on please
Paine:I said nothing can stop me.I'm selling this sword.