Read some more on your own about data science jobs and indicating what would you do starting today to become a data scientist - you could talk about, what aspects of your skill sets you would strengthen, what courses you would take, whom would you network with, etc.,
First give a brief statement of what your strengths and weaknesses are as regards what is required to become a data scientist and then present the above details.
Ideally give a timeline - as in, assessing your strengths and weaknesses, give an estimate of by when you think you would be ready to fetch such a position.