Trafficking?

You call the number, and find out that the man willing to sponsor you has sponsored at least a dozen migrants already. He lives in Michigan, and he makes a lot of money, he says. He's willing to help you out.

But, he says that because he'll be helping you through the sponsorship process, you'll have to pay for plane tickets to Michigan on your own. If you can't afford them, he tells you that you can work a few weeks without pay to make up for it.

What do you do?