It gives me great pleasure to introduce to you ————
I take this opportunity of presenting to you ————
I take great pleasure in making known to you ————
This letter is presented by my friend ————
I shall regard it as a kindness to myself if——
Any courtesy you can extend to ————
I shall appreciate any assistance you may give to ————
I shall regard any attention you can pay ———— as a personal favor
I shall warmly appreciate any attention you may pay to ————