Here is one sample
Simple Job Interview Thank-You Note
I appreciate your taking the time yesterday to speak with me regarding the Position XXXX at XXXX .
Thank you also for giving me a tour of your office so that I could meet your other team members.
After the interview, I have a better understanding of what the responsibilities and opportunities are in the position.
It was a pleasure to talk with you; I left our interview with an even stronger interest in joining your team at Company Name.
Please contact me if you have any additional questions for me.
Thank you for your time and consideration.
some times you can send a personal thankyou and not generic thank you email.
Thanks for discussing with me on Thursday evening about the web designer job at XXXX.
I was especially grateful for your explanation of the work that XXXX is going through now.
I an very excited to learn more.
Thanks again for your time,