Dear [Name],

I wanted to take a moment to thank you for attending my birthday party. I really appreciate you taking the time to join me in celebrating. It meant a lot to me that you were there, and I had a great time.

Thank you again for your kindness and generosity.

Warmest regards,
[Name]
Hai partecipato alla mia festa di compleanno
Componi un'e-mail che esprima la tua gratitudine per l'occasione data