With all due respect , you’re going about in the wrong way. The best, most professional way would be in private. As it stands now, it looks like a he said she said type of discussion; which isn’t professional to say the least.
You’re degrading the goodwill you have with and. I can’t imagine they will be jumping at the bit to provide extra time and help with your future submissions if you continue type of interaction.
I’ve had a similiar experience as and can attest to the professionalism of. My advice is to thoroughly attempt to rectify sort of privately.