Possible conversation starters are:
Who do you look up to?
Where do you see yourself 5 years from now?
What are you scared of?
What is the best piece of advice you've received?
What do your parents do for a living?
What is your biggest regret?
What is your most embarrassing moment?
What is the craziest thing you've ever done?
What are some of your short-term goals?
What are some of your long-term goals?