Dear ...

We are very grateful to you for your kind referral of __(name/account)__ to us as a potential customer.

Our company always hopes that our existing clients are so pleased with our products and services that they will tell their friends, relatives and acquaintances. We were very happy to learn that you feel this way about us to tell a friend. To you, our valued customer, we send you this special sincere thank you!

Thank you for allowing us the privilege of serving you!

Sincerely,