She is quite shy. She will continue be going in and out of the room she's cleaning. But after giving her the bracelet, she will stop and talk to Victoria. Talk to her again about everything especially about the supervisor, Carla's private life and the gala evening. She will eventually open up.
The important one is about her private life - she will talk about meeting rich men or something like that in the hotel, parties at the hotel and this will trigger the gala dialogue. Then under things and facts, use the down arrow to see Gala - ask her then about it.