Silence
Generator sentence:: If you really strain your ears, you can just about hear the sound of no one giving a damn.

"Hello? Hey? Can you hear me?"
No response.
"Can you help me? Anyone?"
Not a sound back.
"Excuse me... Sir? Madam?"
No reaction.
"Anyone there?"
Silence. Utter silence. I walked back and forth in a tiny space. Like a human pendulum, I repeated the same motion, the same set of questions. Every once in a while a stopped and listened.
The space was pitch black. I knew it now. I must have been in this constant motion for days. Months? Maybe even years?
"Anyone there?" Stop. Listen. The same again. I really strained my ears but I could just about hear the sound of no one giving a damn.
"Jim?"
I opened my eyes.
"If you really need my help - and I think you need it - you must speak up."
The card on her white blouse read "Elfriede Schweigen, psychiatrist."
Generator stories are a simple project to practice and improve my English writings based on random generator-produced sentences. The content produced in only 15 minutes is of mixed quality, but in this case - the quantity and speed are the goal. You can get inspired here: https://randomwordgenerator.com/sentence.php