answer: #Person2# asks #Person1# to change the stained sheet for a clean one.
documents: #Person1#: Room service. What can I do for you?
  #Person2#: I find the sheet in my room is so stained. Would you please help us change it for a clean one?
  #Person1#: I am sorry. sir. Someone will there in a moment.
  #Person2#: All right. Please be quick about it.
  #Person1#: Yes, sir. I assure you it would never happen again.