Check this out:

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Dear Sir,

I met your uncle while he was visiting Orlando for the Superbowl, and I
mentioned to him that I was interested in pursuing a career in writing. I
am currently attending college at the University of Central Florida, but he
gave me your email address so that I might contact you in order to inquire
about any writing assignments that you might have available. He was very
vague at the time, however, so I am not even sure what kind of media your
company produces. If there is any opportunity for me to apply for freelance
work with your employer, or if you can simply offer me any advice on getting
started, I would appreciate the response.

Thank you,
XXXX XXXXX

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Now, this girl is actually older than I am! Like I have so much journalistic wisdom to impart other than: try to be lucky!