Harry's new life and Ash's new Pokemon

What if Harry was given a new chance. But this one is a lot different from the life he had before; especially since he isn't even human in this one. This time Harry is something called a Pokémon. Or to be more precise a dratini and even then he isn't a normal one. What happens when Harry, as a dratini, is found by Ash; in the very beginning of Ash's journey? What would happen to th