Interviewing
It's always important to exhibit a positive attitude. For example, you might be asked about your long-term goals and might be afraid that if you state them you will be rejected because you didn't tell them what you thought they wanted to hear. You must answer all questions candidly, but positively. E.g., your long-term goals might be the majors or corporate. Say so, but add that while you are a flight instructor you will be dedicated solely to providing the best training possible. In so doing, you would hope you could contribute to the company by building its customer base, and when you leave you would hope that your contributions added value to the operation, etc. It would help if you can state some personal achievements that would document your your abilities and work them into your response, i.e. earning an Outstanding on your stage checks, Flight Fellowships at your school, Employee of the Month at another job, etc.
I would not give an answer that you eventually hope to instruct in their twins, etc. Just say you are commited to providing the best service possible in whichever aircraft you are assigned. In other words, answer in terms of the present.
Hope that helps some more. Good luck with your interview.