"Find me," she said, before slipping away into the dawn of New Year's Day.
"Yeah, I'll find you," he said, before realising all he had to go on was her first name, Katie, and the fact she was from "DC" - presumably Washington.
Reese McKee, 25, is hoping the magic of Christmas and the power of social media will reunite him with the mystery woman he met in Hong Kong last New Year's Eve.
The Wellington man said he was in Hong Kong when he ran into Katie after they both became lost earlier in the night.
"I was just walking around and admiring the lights and found this girl just crying on the side of the road.