Dear …
Thank you for taking the time to interview me for the [job title, example – elementry school teaching position] today.
I am grateful for the way you presented me the job [in details… if it was the second interview] and the company’s work culture. I’d like to tell you that I am impressed with the company’s reputation as well as the career growth/opportunity that you offer.
As I am very much interested in this position, my hope is that my competencies fit well with your requirements.
I am eager to bring my knowledge to the position, and believe that my [A,B,C] extensive experience I’ve already developed make me a good candidate.
I look forward to provide more information about my qualifications and the possibility of working with you.
Thanks you again for your time and consideration,
Sincerely
[Your Name]
Source: http://www.job-interview-site.com/thank-you-letter-after-interviews-samples-tips.html