“I’m alive...”
On earth. Which means you’re seriously limited by time and space.
“... and I can’t hear you unless we’re in the same room.”
That’s not true. Through technology you can hear me from great distances. God is more powerful than any technology.
“There is no indication in the Holy Bible that you should ever pray to the dead or another human being.”
I’m not praying to the dead - God is the God of the living just as Jesus says. And the Bible never once claims to contain all truths.
2 Timothy 3:16-17
16 All scripture is given by inspiration of God,
and is profitable for doctrine,
for reproof,
for correction,
for instruction in righteousness:
17 That the man of God may be perfect,
thoroughly furnished unto all good works.