My Interest In The Position. Ask yourself, "Why am I interested in this position?" Really, think about it. Same thing goes for expressing interest in the position.
While the position looks very interesting, and the responsibilities are a good fit with my background, I'm not that interested in the amount of travel required. Consequently, I would like to express my interest in this position as I believe that I am a good contender. Aim to discuss the opportunities you see with the new job rather than.
Explain why you're writing and include the title of the position you're interested in.
I am interested in a position of temporary Office Assistant available.
Show you're interested in the position: There are many candidates who really work hard up to accuracy in their field. Thanks for reaching out about this opportunity. Feel free to contact me if you have any questions and I look forward to hearing from you.