1. Start with people that you already know
This includes family, friends, colleagues, classmates, professors, etc.. Are any of these people directly involved in your field of interest? Do they know other people that could get you connected to professionals in your field of interest? Create a list of your immediate network with notes on how they could possibly assist you in the career exploration and job search process.
"Hi Aunt Marta. I have been exploring career options for after I graduate and would like to learn more about different opportunities in finance. Working in real estate, do you know any mortgage brokers or loan officers that you would be willing to introduce me to for an informational interview?"