Dear [Recipient's Name], I am writing this letter to sincerely apologize for missing our scheduled appointment on [Date] at [Time] at your [Office/Location] in Dallas, Texas. I understand the importance of being punctual and the inconveniences that my absence may have caused you and your team. First and foremost, I want to express my deepest regrets for any disruption or inconvenience caused due to my absence. I fully understand that my commitment to be present at the scheduled meeting was essential, and I take full responsibility for not honoring that commitment. The reason for missing the appointment was [Specify the reason briefly, for example: an unexpected family emergency that required my immediate attention]. I understand that this excuse does not rectify my failure to inform you in a timely manner, and for that, I am truly sorry. I am aware of the significance of your time, and I deeply regret not informing you about my unavailability beforehand. It was an oversight on my part, and I fully understand the difficulties that arise from such last-minute changes. Moving forward, I would like to make it up to you and reschedule our meeting. I value your time and professionalism, and I want to assure you that such a situation will not occur in the future. I will be proactive in better managing my schedule and ensuring that I prioritize our appointments with due diligence. Once again, I sincerely apologize for any inconvenience and disappointment I may have caused you. I understand the gravity of my mistake and assure you that it will not be repeated. I hope you will find it in your heart to accept my apologies and give me another chance to meet with you at a time convenient for you. Thank you for your understanding and for considering rescheduling our appointment. I appreciate your professionalism and remain committed to rectifying this situation. Sincerely, [Your Name] [Your Contact Information: Email, Phone Number]