He gives an appreciative hum. In his mind, there's no doubt that when she says "something that works for everyone" it means he will get to decide. After all, this is what team leaders do.

"I am a lone wolf, a solitary soul who strikes evil in the heart of the night!" he proclaims with a flourish of the hand. It's mostly for show, really; while it's true he tends to work alone, he does enjoy working with other people. "That said... I find myself intrigued by your proposition."

More than just "intrigued", to be honest... but he knows the importance of making yourself wanted.