"Met him above Jakku, actually." And that's all he's got, except the escape itself. "He's a friend. A good friend."

He doesn't anything else about Jakku, or he doesn't remember it, but that expression tells him what he needs to know for the moment. He has decided that he likes this girl, whoever she is. She's bright and enthusiastic and BB-8's friend, which means she's officially on Poe's probably-not-going-to-stay-short list of people to keep an eye out for. "What's your name? Wait, they were trying to take BB-8 for parts?"