Yours respectfully,
LETTERS OF THANKS
(For a favor)
My dear ————,
Please allow me to send my most thankful acknowledgments for the favor you have conferred upon me. I trust I may be able some time to do a service for you.
Sincerely yours,
(For a favor shown to another)
My dear ————,
You have exceedingly obliged me by so kindly entertaining and looking after my friend, ————, during her stay in your ————. I trust I may be able to find some way to fully repay you.
Truly yours,