How to write a formal letter

Hello everyone!
I want to improve my English so I am doing some compositions and one of them says:
"You are planning an event to raise public awareness about a project that is important to you. You decide to write a letter to the manager of a large organization to ask for money to help finance the event.
Your letter should explain:
• What the project is.
• What the event will involve.
• How the money will be used."

I would like it if someone can correct me if there is any mistake. Thank you!

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To whom it may concern

My name is Javier and I am the person in charge of the “Technodevelop Org”, an organization whose main aim is the technological development of the children at risk of exclusion. We offer different activities to increase their imagination to get, in the future, persons who can achieve a decent job and can be useful to society.

We are planning to realize a Hacktown with the purpose of making our community known and collect necessary resources to take our project out, considering the tentative dates of early February or early March. The principal idea is to gather as many recognized people in the technological world as we can to participate in a challenge where the teams must compete with each other, the award being the recognition by all of the effort and a small reward.

In order to attract people to our event, we would like to have important companies at the back that could sponsor it and we believe your company is an important partner to contribute to this cause. Obviously, we would understand if you could not participate, as it is a bit risky to involve in a new project you did not hear before.

Thank you in advance for your attention and we are waiting for your response.

Kind regards
Javier

Trying to write)))

Hi) I always want to improve my writing in English, but sometimes there is not enough time for it. So I have 10 minutes free and I wanna start. I've use italki for several years but always have some fear to write. Sometimes I don't know what about. About my day maybe. But sometimes my day is going so fast that you don't have time to eat. But now I know what I want to say here. Because now I feel some empty. I don't know what I need to do in general. I knew what I wanted 2 weeks ago. I wanted to find a new job, I found it. But my boss didn't like this and wanted me to stay and work. I'm trying to decide this question, but it's hard. I like reading, watching movies and now I don't want to do anything. If it would be OK I would have wings to fly. I know it. So I will try to do my best)))) Wish me luck))) This post is not positive but it's about what I feel now. Trying to improve my English)))) Whoever reads this post, have a nice day)))