Sally:

It has been a pleasure knowing you and working with you for so long! Thanks for all the confidence you have shown in me all the time. And thanks for the opportunity you have given me to assist your group in several occasions. Thanks for everything! You can always contact me at joseph@bitsofcode.com or at 713-398-0262. Please stay in touch! 

Best Regards,
Joseph Koothrappally
http://www.bitsofcode.com