[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP Code] Subject: Apology for Missing Appointment Dear [Recipient's Name], I am writing this letter to express my sincere apologies for missing our scheduled appointment on [date] at [time]. I understand that my absence without prior notice has caused inconvenience and wasted valuable time for you. First and foremost, let me emphasize that my absence was in no way intentional or meant to disrespect your time. Unfortunately, an unexpected and urgent personal matter arose, making it impossible for me to attend the appointment. I deeply regret any inconvenience caused, and I assure you that I value our professional relationship and take it seriously. I understand that missing the appointment may have disrupted your plans and inconvenienced you. Furthermore, I apologize for any inconvenience caused by my absence, and I take full responsibility for not informing you ahead of time. It was an oversight on my part, and I deeply regret it. In order to rectify this situation and ensure that such incidents do not happen again in the future, I have taken immediate steps to prevent any similar occurrences. Going forward, I will diligently prioritize and manage my schedule, ensuring that I respect our agreed-upon appointments and promptly inform you if any unforeseen circumstances arise. Once again, please accept my sincere apologies for missing our appointment. I value the opportunity to work with you and greatly appreciate your understanding in this matter. If there is any way I can make it up to you or assist in rescheduling the missed appointment, please do not hesitate to contact me. Thank you for your understanding and patience. I genuinely hope that you will give me the chance to regain your trust and continue building a strong professional relationship. Yours sincerely, [Your Name]