Given her caramel hair, height, legs, and the fact that she was munching down on snacks at the snacks bar, there was no way George wouldn't recognize her!
With that in mind, Sigrid thought that as long as she stayed at the snack bar, she could trust George to look for her.
Everyone around her was starting to mingle. After overcoming the initial awkwardness, everyone seemed to be in a hurry to look for their partner. Gradually, the whole venue was clamoring with people looking for their partner.
Sigrid was too occupied with the snacks that she could not extricate herself from them. She had forgotten that she was supposed to look for George.