I am looking for my 2021 tax return. I got message saying I didn't file with TurboTax for my 2021 tax return. However, I have email proof that I filed with TurboTax

I try to talk to a person. It is Thur. 9/28/2023 3pm pacific time. I got a message saying the talk to a person session is closed. The message also said the working time is uptil 5pm pacific. The information contridicts.