Here are 3 examples that you can use for resignation letter as Medical Office Assistant -. Thank you for all of the professional opportunities you have provided me over the past (number of years).Learn how to write a letter of resignation to quit your job on good terms. Here's what to include in a resignation letter, with examples and templates. Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. Due to unforeseen circumstances, I must resign. Tips on going the extra mile and making your resume stand out. Medical Assistant Resume Examples. Implement resignation from MiamiDade County Public Schools (resignation letter attached);. 4. I am writing to express my interest in the Recreation Specialist position.