Lea had already met Gladio a time or two, but they'd never really had an extended conversation. He wasn't sure about Xion, but she was the one who'd originally been concerned about what the train's leadership was like so hopefully this would reassure her, if nothing else. He didn't know how talkative she'd be, but she probably trailed along with him as he approached.
"Hey there," he said. "So, you're in charge of Blue team now, huh?"
Lea with bonus Xion
"Hey there," he said. "So, you're in charge of Blue team now, huh?"