Dear [Name], I am writing to sincerely apologize for missing our appointment on [date] at [time] in Nassau, New York. I am truly sorry for any inconvenience my absence may have caused. I understand that your time is valuable and that my absence without prior intimation was extremely unprofessional. Furthermore, I take full responsibility for my mistake and assure you that it will not happen again. Trust and reliability are fundamental to any successful professional relationship, and I deeply regret falling short in this instance. Please allow me to provide an explanation for my absence. [Include a brief, honest explanation if applicable, such as sudden illness, unforeseen circumstances, or schedule mismanagement]. However, I realize that regardless of the reason, I should have promptly informed you of my inability to attend our meeting. To rectify the situation, I would like to propose a few alternatives. Firstly, I am available to reschedule our appointment as per your convenience. I assure you that I will prioritize our meeting and make every effort to accommodate your schedule. Additionally, I would be more than happy to offer my assistance via phone call, video conference, or email, depending on what suits you best. This way, we can address any concerns or queries you may have without further delay. Once again, I sincerely apologize for my absence and any inconvenience caused. Your time and commitment are highly valued, and I deeply regret inconveniencing you. I truly appreciate your understanding and, if given the chance, I will do my utmost to make it up to you. Thank you for your consideration, and I look forward to hearing from you soon to discuss our rescheduled appointment. Best regards, [Your Name] [Your Contact Details]