Sample resignation letters for customer service representatives to help them leave their current job on a positive note with a wellcrafted resignation letter. Discover how to write a professional resignation letter for BPO positions.Perfect templates for call center agents included. Dear (Manager's Name), I'm writing to you today to submit my notice and resignation letter. I am writing to notify you of my resignation from my position as (job title) at (company name). My last day will be (month, day, year). Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. One way to leave on good terms is to write a polite, professional resignation letter in which you thank your employer for your time at the company.