"Oi, you!" The Doctor exclaimed playfully at Dani's comment, his face drawing into a smirk. When Dani accepted to do his favor, he slowly reached into his jacket pocket and pulled out the sonic screwdriver, holding it up in front of their faces. 

"I need an analysis of that teleport that the Travarian used," He explained to the young girl, "Go to the door and press the button and hold it down to scan the area where the Travarian disappeared earlier, when it stops bleeping, just fetch it straight back over here." He finished, giving her a small smile.