I Hoped It Would Be You.

"What?" he asked, completely startled, "have we met? Wait a second. You probably met my original. It’s really difficult and confusing to explain. And you are?"

"Original..." Kate hovered in thought for a moment, brows furrowing as she considered this. "A rare thing Dad never explained. I'll have to ask. Never mind. Kate. Kate Stewart."

"I'm afraid not."

"Good to meet you Kate. I’m Sally Sparrow. "

"A lovely name, if I may say so."

"Uh, the Doctor." Shakes the hand. 

"Doctor?"

"Not necessary. I need no greeting, just what you’d like me to call you."

"Well, then. Kate should suffice. And yourself?"

"Uh, yes, hello."

"Hello." She holds out a hand, an offer she couples with a welcoming smile. "Kate. Kate Stewart."

"He also happened to tell me that you once spent quite a number of months exiled on Earth once. Choice or no choice, if you can manage months as he said, surely you can cope with half an hour more?"