Looking down at his hand, Sam slowly, reluctantly reaches out to take it, letting go as soon as he can and still be polite. Nothing personal, he just doesn't enjoy touching strangers that much. Doesn't anyone around here bow?

It's also nothing personal that he's obviously more excited to see the Pokemon than the trainer, eyes shining like a schoolboy's. Oh, right, he said something, didn't he?

"Thank you, I'm not too familiar with the Galar region. And I suppose you already know who I am, so there's no need for me to introduce myself, is there?" He addressed him as 'Professor', so unless that was a lucky guess based on his clothes....