You are sadly mistaken. God responds to us every day. He will respond to you when you call. He's just waiting. How do you know the voice of God. It is that still small voice you hear in your inner man. Also you can read the Bible to see what God has to say.
"You will find that it is you who are mistaken — about a great many things."
That "still small voice you hear in your inner man" - on what grounds do you assert that it is God
, as opposed to a part of your own mental processes? It appears to me that you are elevating an element of your own psyche to godhood - IOW, it is a delusion, and a pretty dangerous one at that.
As for reading the Bible to see what God has to say - on what grounds do you assert that God
had anything to do with that patchwork of sixty-six books of fiction, priestly history, wisdom-sayings and allegories at all?