[Jack takes a knee to get on both kid and dog's level. He leaves a hand out for Ein to sniff if he wants to. He cant help but smile at her(?) enthusiasm.] "Okay. Hi, my name's Jack. What's yours, and what's..." [Jack glances at Ein and guesses,] "his name?"

[Kid's not freaking out about being on a spaceship, knows how to use the replicator? This might be an easier explanation than he's had to give to some of the adults here.]