Google seems to be testing showing a date picker and occupancy selector for searches related to hotel queries. I have not been able to replicate this, I have tried over the past few weeks without luck.
But Saad AK spotted this and posted about it on Twitter – here is a screenshot from his videocast:
Here are his videocasts:
I asked some hotel SEOs if this was new, and they said yes:
I guess this makes sense, if you are looking for a hotel, you probably want it for a specific date range.
Forum discussion at Twitter.