She rushed through that because honestly she didn't know if Murphy would hang up or find a way to get off the phone quickly once she introduced herself.
"It's not the Harry that was in the City before, but it's still Harry."
Dinah bit her lip and realized that there was a small chance that this version of Harry didn't know Murphy or was from an actual alternate reality from Murphy's. If that was the case, then she would feel terrible. She maybe should have asked first, but she'd been so intent on not getting Harry's hopes up.