Harry: Sir,  I really think I should rejoin the party, my date-

Snape: -can surely survive your absence for another minute or two. Besides I only wish to convey a message

Harry: A message?

Snape: From Professor Dumbledore, he asks me to give you his best, and he hopes you enjoy your holiday. You see, he’s traveling. And he won’t return until term resumes

Harry: Traveling where?