How can i make an authorization letter for disconnection of internet?

Question

Give me an example of authorization letter regarding disconnection of internet.

Answer 1

(Date)

Dear (service company name),

I would like to disconnect the internet service, starting (date).  My account number is (your name, address, account number).  

If you have any question please contact me at (tel. #).

Sincerely,

(sign your name)