don't know story

Poetess: I am taking career upgrading classes,
Have salary raise already.
The real witch: I was thinking first story I heard was thirty years ago.
I can listen for thirty more years I think and then for thirty again.
Grandma Witch: I had a dream, and in the dream someone told me not to show up until at least one hundred years old.
Ask me how old I am,
I tell you proudly ninety years old.
Have to go walk the dog.
Grandma: I am eighty nine.
Inner voice: I wish one day I will be one hundred.
Narrator: today my friends we will learn how to fly a plane, drive a train, jump with parachute, ride a horse, entertainin a bear ...