Dear [Name],

I hope this message finds you well. I am writing to extend a warm invitation to you for [event/occasion]. We would be honored to have your presence at [venue] on [date] at [time].

Please kindly RSVP by [RSVP date] to confirm your attendance. Should you have any questions or require further information, please do not hesitate to contact me.

We look forward to your positive response and to welcoming you at [event/occasion].

[Your Name]