Who: Billy Buddy and Sam Winchester
When: The afternoon after his thread with Mal
Where: The Cafe
What: Billy tries to get over his hangover.

( Billy not sulking in the cafe... )

Who: Billy Buddy and (open)
Where: The Bar
When: After he's found his room and this thread
What: A man's gotta eat when he's gotta eat.

( In Search of Food )

Who: Billy Buddy and... someone :) 
When: When he first arrives at the hotel.
Where: Wandering the halls, though it'll probably move.
What: Billy wanders the hall searching for his room.

( Checking In )