Thank You Letter, Invitation Reply (Accepting), Refusing

Dear….
Thank you for….
Thank you very much for….

Komentārs (ko es domāju par...)

Thank you once again for…
I really appreciate all that you have done for me. (Tikai ja pakalpojums)

Dear….
We (I) are organizing…. On (date) at (place) at (time). I(we) would like you to come. Dress will be formal/ informal. Please let me know if you can make it.…