Dear [Name of the Professor/Supervisor/Employer],
I hope this message finds you well. I am writing to request a letter of recommendation from you as I am currently applying for [school/program/job opportunity].
I have enjoyed working with you during [duration of time] and I am confident that your letter would provide a valuable perspective on my academic/work experience and achievements.
I have always been inspired by your knowledge, leadership and professionalism, and your reference would be an asset in securing the [school/program/job opportunity] that I am applying for. In particular, I would appreciate it if you could speak to my [specific skills, qualities, or accomplishments] and provide any other insight that you deem relevant.
If you are able to provide me with a letter of recommendation, please let me know the details such as the preferred format, the required timeline, and any other necessary information.
Thank you in advance for your time and consideration. I am grateful for your support and guidance throughout my academic/work journey.
Sincerely,
[Your Name]