He reacts with a bit of panic and mumbles to himself 'Is that her? She greets him warmly from her desk and asks if she can help him. He turns partway, trying not to show too much of his face, and waves her off saying it's fine, he was just leaving, he must have had the wrong address. However, Gianna recognizes him now and her eyes widen with recognition. She tells him that she wasn't expecting to hear from him again, it had already been a couple of weeks since their interview so she figured she must not have gotten the job, but if he's here then that must mean his company has decided to go for her after all.