Voilà un exemple :)
I am writing to apply for the position of dog walker .
I think that I am completed for this work, I corresponds in criteria asked .
I am a serious person, who does not move back in front of the work.
I like a lot has to obtain this work, because he me complete I adore the animal contact in particular with dogs exactly.
I even I take care of my own dogs, thus it will not be a task complicated to occupy me of yours.
Sincerely Yours.
M ou Mme.......
