NASA: "We are humans, broadcasting to any life forms in the galaxy. We come in peace."
Alien: "Hey humans, you sound nice."
NASA: "Haha thanks. You should come over :)"
Alien: "Uhhh, what? Our technology isn't advanced enough yet. But we can just talk for a while."
NASA: "Aww damn. SO what are you doing?"
ALien: "Ummm, just like... operating our technology to contact you I guess? Translating your language?"
NASA: "But what would you be doing if I was there haha ;)"