The Doctor was gathering herself back and looking at the screen very confused. "Where'd they go?" She heard the stranger yell at her for running into her, but she was too focused playing with a nob on the side of the machine. "Seriously." She hit it with her hand, percussive maintenance didn't appear to fix whatever was wrong with the machine. 

[i]"Where are you off to in such a rush?"[/i] The stranger asked her.

"Sorry about that, still getting used to the steering." The Doctor said once she realized that the pedestrian had spoken to her. "I was following a little red dot. It was flashing." She held up the screen, which no longer showed the moving red dot. The Doctor noticed as she looked Nora over for any sign of injury from their collision that the woman also had bangs, she had figured out how to make them look nice. 

"Sorry again." She looked at the suitcase and around. "Visiting London. Nice place. I like it here." The scanner in The Doctor's hands started beeping angrily. The red dot was back. "Oh that's close..." She looked up to the sky. The beeping slowed down. "It's moving...what are they looking for." The Doctor was speaking more to herself, or maybe the machine and less to the traveler. "Oye, there's two dots now!" The Doctor started running back the way she had come from without a goodbye to the confused stranger.