"You have become our single point contact when it comes to office technology."

“You have become our single point contact when it comes to office technology.”

I wanted to get back to you with a sincere thank you. You have always provided superior responsiveness to our urgent calls. It seems like you appear moments later if we are not able to work the problem through over the phone or online. Your knowledge and experience coupled with your friendly professionalism get us back up and running. You have become our single point contact when it comes to office technology. Looking forward to continuing our business relationship.