SAMPLE - THANKS FOR REFERRAL

I would like to thank you for your referral to [FIRM, ex. ABC Co].  [MENTION WHAT OCCURRED AND WHAT YOU WILL DO AS A RESULT OF THE REFERRAL, ex. On your suggestion, I have spoken with Mr. Holmes and forwarded my resume to the human resources department.  I hope to be hearing from them soon.]

I will keep you up to date as to what happens.  Thanks again.

Sincerely,