In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started. Due to unforeseen personal reasons, I am unable to provide any notice.Use this resignation letter example to inform your employer that you need to resign immediately and will not be able to give two weeks' notice. When you're unhappy at work, it might be time to go. Here's how to write a resignation letter without burning bridges, including samples and formatting. When you're unhappy at work, it might be time to go. Here's how to write a resignation letter without burning bridges, including samples and formatting. Do not hesitate to call me at 123-123-1234. Sincerely, Danielle Barren. I'm writing to inform you of my intent to resign from my position as a staff nurse in the ICU at Johnson County Hospital.