We thank you for your kind inquiry of recent date
We thank you very gratefully for your polite and friendly letter
We thank you very much for the frank statement of your affairs
We thank you very sincerely for your assistance
We think you will agree
We trust our explanation will meet with your approval
We trust that we may hear favorably from you
We trust that you will give this matter your immediate attention
We trust you may secure some of the exceptional values
We trust you will find it correct