Venkman turned to see the woman in the crowd, demanding his attention. Maybe she was a troublemaker. Maybe she was a party pooper. He'd have to stay on his toes in case he had to get rid of her with some fast-talking. She may have been rather lovely, and apparently blind, but Venkman was an equal-opportunity smartass.
"I am," he said, taking her free hand in a friendly greeting, reinforced by holding her forearm in his other hand. "Doctor Venkman, co-founder and CEO of Ghostbusters International. What can I do for you?"