Dear [Supervisor/Manager's Name], I hope this letter finds you well. I am writing to inform you about a change in my previously approved leave of absence and express my intention to reschedule it. Due to unforeseen circumstances, I regret to inform you that I must cancel my scheduled leave, which was originally planned from [start date] to [end date]. I understand the inconveniences this may cause, and I sincerely apologize for any disruption this cancellation may have on work schedules or projects. However, I would like to assure you that I am committed to fulfilling my responsibilities and have taken this decision after careful consideration and assessment of the current situation. I kindly request your understanding and support in rescheduling my leave to new dates that are suitable for both the company and me. I propose the following alternative period for my leave of absence: [provide the proposed new start and end dates]. These dates align with [justify why these dates are suitable, e.g., project timelines, low workload periods]. I understand that rescheduling my leave may require adjustments in the previously made arrangements, such as the allocation of tasks and responsibilities during my absence. I am more than willing to cooperate with you and assist in any necessary transition arrangements to ensure a smooth continuation of workflow in my absence. Please consider this letter as a formal request to cancel my previously approved leave of absence and reschedule it accordingly. I kindly ask for your prompt attention to this matter so that we can reach a mutually agreeable solution. Thank you for your understanding and support in this matter. I remain committed to the success of our team and the company as a whole. If you would like to discuss this further or require any additional information, please do not hesitate to reach out to me. I look forward to your positive response and eagerly anticipate the rescheduled dates for my leave of absence. Sincerely, [Your Name] [Your Employee ID]