I tried to call them 4-5 times, but every time the...

I tried to call them 4-5 times, but every time they told me that there was a customer in the queue, today an operator finally answered me, but then for 20 minutes he never answered me and I only heard voices in the background, closing then out of the blue the call. I called again and there was another very friendly operator who helped me.
I understand that they have a lot to do but this way of doing is really bad ...