Dear [Supervisor/Manager/HR Department], I am writing to inform you that due to unforeseen circumstances, I am unable to proceed with my previously granted leave of absence scheduled from [start date] to [end date]. I deeply apologize for any inconvenience caused and request for the cancellation of my approved leave. First and foremost, I want to emphasize that I fully understand the disruption this may cause to the workflow and operations of the company. I sincerely apologize for any inconvenience caused by the cancellation and assure you that I will do my best to minimize the impact. The reason for the cancellation of my leave is [provide a brief explanation of the unforeseen circumstances that necessitate the cancellation]. I understand that this decision may affect the scheduling and allocation of resources. However, I am committed to ensure a smooth transition of my duties and responsibilities during this rescheduling process. In light of the circumstances, I humbly request your understanding and support in rescheduling my leave of absence. I kindly propose the following alternate dates for my leave: [provide specific alternative start date and end date]. These dates are carefully chosen to ensure minimal disruption to ongoing projects and to align with the peak workload periods for our department. I am aware that such a request may require adjustments within the team, but I am willing to work closely with my colleagues and superiors to ensure that all necessary arrangements are made and that my duties are effectively covered during my absence. Considering the exceptional circumstances involved, I kindly request your prompt attention to this matter. I am fully committed to fulfilling my obligations and responsibilities within the company, but unfortunately, this particular situation requires me to revise my previously granted leave. I would be grateful if you could respond to this request as soon as possible, indicating your acceptance of the rescheduled dates or any further instructions required. If there are any concerns or questions that need to be addressed, please do not hesitate to contact me. Once again, please accept my sincere apologies for having to cancel my approved leave of absence. I assure you that this decision was made after careful consideration of the current circumstances. Thank you for your understanding and support in rescheduling my leave. Looking forward to a positive response. Yours sincerely, [Your Name] [Your Employee ID/Designation] [Contact Information]