[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Organizer's Name] [Organization Name] [Address] [City, State, ZIP Code] Subject: Decline of Speaking Engagement Invitation Dear [Organizer's Name], I extend my warmest regards to you and hope this letter finds you well. I appreciate the kind invitation to speak at the [Event Name] in San Antonio, Texas, scheduled for [Event Date]. However, after careful consideration, I regret to inform you that I am unable to accept this speaking engagement. Though I am genuinely interested in contributing to such an esteemed event, unforeseen circumstances have arisen, making it impossible for me to attend. [Briefly mention any personal or professional obligations or conflicts that prevent you from participating.] I understand the importance of my role as a speaker and the value I could bring to the event, and I apologize for any inconvenience this may cause. To ensure the success of your event, I recommend considering other experts or speakers who possess the expertise and availability required to address the topic effectively. Please accept my apologies for any inconvenience or disappointment my decision may cause. I am grateful for your understanding and hope that we can collaborate on future opportunities. Wishing you a successful event and a memorable experience for all the attendees. Thank you for considering me as a speaker, and I look forward to the possibility of working together in the future. Warm regards, [Your Name]