Subject: Sincere Apologies for Missing our Scheduled Appointment Dear [Recipient's Name], I hope this letter finds you well. I am writing to extend my sincerest apologies for my unfortunate absence at our scheduled appointment on [date] at [time] regarding [reason/purpose of the appointment]. I deeply regret any inconvenience caused due to my failure to attend. My reason for not being able to make it on time was completely unexpected and beyond my control. [Provide a brief explanation of the reason, for example, a family emergency, a sudden illness, or unavoidable circumstances that arose]. As someone who values punctuality and professionalism, I understand the importance of honoring commitments and respects the time and effort you have put into scheduling the appointment. It was never my intention to disregard the significance of our meeting or cause any inconvenience. I sincerely apologize for not notifying you in advance about my inability to attend the appointment. I recognize that my failure to communicate this effectively has caused you undue stress and frustration, which I deeply regret. To rectify this situation, I propose an alternative date and time to reschedule our meeting. I understand that you may have other commitments, but I genuinely value your time and assistance, and it is crucial for me to discuss [specific matter/goals] with you. Alternatively, if you believe it is not possible to reschedule the appointment, I totally understand and respect your decision. However, given the circumstances, I would be grateful for the opportunity to make amends and offer an explanation personally. This would help in conveying my sincerity and commitment towards our professional relationship. Once again, I apologize unreservedly for my absence, and I assure you that this incident has reminded me of the importance of maintaining clear communication and being responsible for my commitments. I hope you can find it in your heart to accept my sincere apologies for my absence and allow me a chance to make it up to you. I am truly grateful for your understanding and patience. Thank you. Sincerely, [Your Name] [Your Contact Information]