I have tried all offered options to access my hotmail account and failed. I really need help to prove my ownership of my hotmail account in order to recover it.

I had changed my password to my hotmail account and forgot where I wrote it and in guessing what it was I failed and finally opted to reset the password again. this time the prompts said I did not have the right answers to the security question and locked me out with a message stating they believed someone was trying to access my account and they locked it out .Tried to talk to microsoft on the phone and got dropped calls before I could finish explaining the problem. I have been passed all aeound all over to people that say that they dont deal with my particular issue. What should I do next to get this resolved? Can youy help?