She'll be waiting. For him. The only way this day could get better would be if she suddenly revealed she was a unicorn all along.

"Should it happen, rest assured that I will!" He gratefully accepts her card... before taking her paw in one hand and bowing slightly, lips hovering above its furry back for a second before retreating. "But alas! I fear our meeting must be cut short. The night is still young, and I have much to do - though it does pain me to leave such delightful company!"

He doesn't actually have anything pressing to do and the night is closer to its mid-life crisis, but you know. He needs to keep up his image as a restless vigilante.