"It's just nice to know that you're out there helping people like us."
"Thanks for your help a couple of weeks ago. You were extremely helpful and the family wants me to give you their thanks. Thank you so much for your kind attention and information on which we could act. It got us off Square One!"
" Thank you so much for the information that you provided to us. Also, I wanted to thank you for the time you spent with me on the phone this morning, you were very knowledgeable and helpful."