Bad customer service

I had an insurance with the unlimited the service I got there was horrible,I had the insurance for more than 19 year and never claim then I decided to cancel it,the olny thing that I asked from them it's agreement contract I signed that state the people I covered from the policy it's been 2 weeks now they don't want to help me I'm so frustrated and tired of them I send emails,call however it doest help they promise to get back to me but no the guy that was helping me is Thandazani I just need the document that state the people I covered which is policy schedule what is it difficult there to just send that.😠😠😠