Dear [Name],
I am writing to apologize for the unfavorable timing of my recent request. I understand that my request came at a difficult time for you and I regret not considering the potential impact it might have had on you and your schedule.
I know that you had already committed to a number of important tasks and projects and that my request may have added additional stress to your already busy life. I should have taken the time to consider how my request might have affected you and your plans before I made it.
I am sorry for the inconvenience and stress that my request caused you. I understand that it may have been difficult to prioritize my request over your other commitments. I should have been more mindful of your time and workload.
I am grateful for your understanding and willingness to accommodate my request. I am aware that this was not an easy task and I appreciate your flexibility and willingness to help.
Again, I apologize for the unfavorable timing of my request and the inconvenience it caused you. I will be more mindful of your schedule and commitments in the future.
Sincerely,
[Your Name]