Laura had a yearning for a large cappuccino and possibly a muffin for dessert after she had had dinner at home. So she wandered down to the lobby and was passing through just as she saw Joe come out of the mail room.
Laura wasn't sure how he would react to her, but she couldn't just let him walk by.
"Evening, Joe! What are you up to?" she asked brightly. Better not press the matter right in the start.