1. You should write a brief response to an informal invitation. But you should express warmth and enthusiasm. Restate all the necessary details of the letter to avoid misunderstandings later on.
  2. Express pleasure in accepting the invitation. Then restate the date, time, and location of the event to confirm this information.
  3. Express anticipation for the event.


[Senders Name]
[Address line]
[State, ZIP Code]

[Letter Date]

[Recipients Name]
[Address line]
[State, ZIP Code]

[Subject: Normally bold, summarizes the intention of the letter] -Optional-

Dear [Recipients Name],

Thank you very much for the dinner invitation on Saturday night at 8:30 p.m. Please inform us whether it alright if we get something. Diana and I have always enjoyed the parties that you throw. We very much look ahead to being there.


[Senders Name]
[Senders Title] -Optional-

[Enclosures: number] - Optional -
cc: [Name of copy recipient] - Optional -