Sample excellent response:
Although it is hard to predict the future, I sincerely believe that I will become a very good financial consultant. I believe that my abilities will allow me to excel to the point that I can seek other opportunities as a portfolio manager (the next step) and possibly even higher. My ultimate goal continues to be -- and will always be -- to be the best at whatever level I am working at within Charles Schwab's corporate structure.
See also this page of our Job Interviewing Tutorial.