cancellation of subscription

i have been trying to find out how i go about cancelling my dish network subscription but find no way of doing it on your website. anyway, my name is harold nelson, phone number is 919-467-8120, account number 8255 90 934 5620873. i want my subscription cancelled as of 11/20/2006 and i would like to have a technician disassemble the installation that morning or at least by 1:30 p.m. at the latest.please make these arrangements and verify for me by e-mail. thanks.