Provide the theme summaries for the following conversation: 

#Person1#: Good morning, Mr. Jacob. Is everything all tight?
#Person2#: No, it's not. Someone's stolen some of my valuables two rings and a gold necklace.
#Person1#: I'm very sorry to hear that, sir. Where were they?
#Person2#: In my room. And the door was locked. It can only be one of your staff. I want my things back. And fast.
#Person1#: Well, I can certainly understand that you're upset about losing them and we'll do all we can to help. If they really are missing,it's a matter for the police.
#Person2#: What do you mean, if they are missing? I told you they were.
#Person1#: Yes, Sir. But first I'll have one of the housekeeping staff look through your room in case they're still there. But I must say that we can't be held responsible. You should have deposited the valuables with Reception. It says so on the Key Card.
#Person2#: That's not good enough. I want to see the manager immediately.
#Person1#: I'll be glad to call the duty manager for you, sir. But he'll certainly say the same. We have clear instructions about valuables and we must follow them.

Summary: 
Jacob lost something valuables thinks it can only be stolen by staff, but #Person2# says they are not responsible because Jacob didn't deposit the valuables. Jacob wants to see the manager.