I Can't Take You. Why Not?

"I could be an ambassador on your planet. What? I hear no. Look, I'm nobody here," he says. "If you take me to your planet, maybe I could be, you know, like a emissary." He continues: 'It actually would be perfect. You should take me' But when asked if he was serious about taking him away from his friends and family, the man replies that he's just fibbing.