People who have decided not to take a job after having an interview should write a letter to the employer. The letter should include that the person is grateful for the opportunity.
A letter accepting an interview does not have to be long. You just need to confirm that date, time, and location of the interview and thank the company for inviting you to interview with them.
To thank them for an interview
Thank you for the invitation is right.
After an interviewfollowing a job interview
A thank you
Because you have already met with the employer, a thank you note can always be casual and informal.
you say:"Thank you so much for this invitation"
A thank-you letter
Read any career book and you will see that there is always advice on jobseekers to send thank you letters after an interview. Interestingly however, very few do that. In fact, only about 5 percent take the time to write and send a simple thank you letter. Yet, a thank you letter is a crucial ritual even after the interview is over. A thank you is always pleasing to the employer and will likely be taken to mean that you are interested in the position and will usually differentiate you from the pack. A thank you note keeps you in front of the others. Thus, ensure that the letter specifically thanks the employer for the time and consideration taken to have you attend the interview. Complete article.. http://www.gopinoy.com/advice/job-interview-tips/10-tips-on-how-to-write-a-job-interview-thank-you-letter.html
If your at an interview and want to show the employer your proficiency you will need to absolutely be on time. Listen and respond with confidence. Look him in the eyes when your speaking, shake his hand, be kind overall and thank him for his time.
It is only polite to send a thank-you note to anyone who has taken the time to interview or consider you for a job. It also marks you as a professional and a mature worker.
Don't thank the person when you receive the invitation, but send them a nice Thank You Card after the event and let them know you were honored to be invited and had a wonderful time.