You are correct! But don't celebrate, we got some serious challenge for you.

Here is story like puzzle. In order to find out the truth you can ask any questions, and we will answer them as  "Yes", "No" or "Doesn't matter". Here we go: one guy came to the saloon and asked the bartender for a glass of water. After drinking the water he asked bartender for another glass of water. The bartender didn't give the second one, instead he pulled out the revolver and shot at the ceiling. The guy left the saloon, seemed to be satisfied.

QUESTION: What happened?