Op you are very lucky that they want to refund your total deposit, you better take your deposit first before they even close the account without paying you. And another is that, this should be in quotation.
We have not been able to verify your account.
Can you please enact a withdrawal request for your original deposit of 300 USDT,
After this has been approved by us your account will then be closed. "
they are not your words, you are trying to quote what they told you so either you use apostrophe quotation mark (" ") or you use the forum code
open quote> and close/quote
.
And your evidences are not enough, although probably you are saying the truth, I am not disputing your facts.