How do I convey that I am grateful for my time on this floor, and at the same time be truthful about the flaws that have caused me to resign? Thank you for the opportunity to be employed here (this is optional though).My last day of work will be (last day). While I have been very satisfied at XYZ Company, I have decided to make this move to advance my career. I'll show you exactly how to resign professionally and respectfully with the perfect resignation letter so you can leave on good terms.