I get requests for more documents less than a week before they are due and the letters are inaccurate. My case worker rarely calls me back

I was scheduled for a recertification phone interview with Mr. Diaz at 9:15 this morning. I called at 9:15, 9:20, 9:30, and 9:45 - no answer and still no call back by the end of the business day. Unfo