Hard getting intouch with worker, I have section 8, July 4th

Will I loses my 8 if I do not send or contact my worker due July 4th for the last month I’ve called left v mail, only today I found out she was in training I’m 66 disabled tired of being homeless I live in my van in the city of Whittier CA can’t get motel vouchers so I have to use my SSI moneys when I run low on cash back in the streets I had no luck finding a place not as easy as they think ,sending people back where they got out from becuse its dangerous please HELP ME