Just send the cancellation letter. Is it really that hard?

Here we go again. Several mails, no service.

I've requested cancellation of my contract. No more, no less.

There really is no need for you to spam me with calls, mails or please call me texts. I'm done. I don't want to speak to a agent.

Just send me my cancellation letter.

I've read that your service is bad, but at this rate, I might actually be in the grave before you fulfill my request.