Dear Showrunner,
I am writing in regards to the writer's assistant position that you have open. I am passionate about writing and I believe that I would be a great asset to your team.
I have a strong understanding of grammar and punctuation, and I am able to write in a variety of styles. I am also a quick learner and I am always willing to try new things. I am confident that I can be a valuable asset to your team.
I am excited about the opportunity to work on a television show and I believe that I have the skills and passion that you are looking for. I would love to have the opportunity to discuss my qualifications further with you.
Thank you for your time and consideration.
Sincerely,
Patrick Simpson