Lisa does recognize her, thankfully, but the reminder certainly helps anyway, and she stretches out her own hand, not quite wrinkly from the water yet, to shake. "Mm, I remember, I think! Sorry, school's really done a number on my sense of time. Nice to meet you in person, yeah?"

...but boy, once she's shaken Ellie's hand, she retracts hers into the water. It certainly isn't getting any warmer out here. And on that note- "How's your vacation going, such as it is?"