You'll never know how hard I've failed

[You've received an invitation to an elegant soiree, and when you arrive you find yourself dressed in fine clothes that look like what you'd wear to a grand performance at a theatre. Chamber music echoes around the venue--a grand ballroom, with candles and floating, glowing orbs glittering about to give the scene a golden glow. There's a woman nearby dressed like so who is giving you a friendly smile, especially if you look like a fish out of water. Perhaps you can talk to her to gain some footing? Or just find out what the event is for.]