G:Is there anything wrong, sir? T:I don't understand this entry. G:Let's go ask the Front Desk. G:What's this entry for. please? W:That's for the bar last night. T:I'm sorry, but I didn't drink there last night. Could I see the bill? W:Certainly. Here you are. T:I'm sorry, this isn't my signature. W:But, this is your room number, isn't it? T:Yes, but anyone can write that. W:Are you sure you didn't drink there last night? T:I'm positive. G:I think you'd better call the manager.