Kate and Thirteen
"Might not be a bad idea," the Doctor scrunched her face a bit, indicating she knew something was up she didn't like. "Let's uh, just head that way, eh?" She brightened and got up, walking away from the machine, not even bothering to cash out.
Someone was going to be very, very lucky when they found what she'd left behind. Not that she cared. The Doctor was never a fan of money, even if she understood why it was needed. Her TARDIS provided her everything she and her companions needed to get by.
"So, where to next? What other Vegas things should we try?"