answer: #Person1#'s computer crashes. #Person2# suggests #Person1# reboot the machine and assures #Person1# that the help desk can restore the files.
documents: #Person1#: Can you help me? The program is not responding and I don't know what to do.
  #Person2#: Look at the icon in the bottom corner of your screen. Is it flashing?
  #Person1#: No. It isn't.
  #Person2#: OK. Try closing down all the files you're not using at the moment.
  #Person1#: But I can't move the cursor at all. My screen is frozen. What should I do?
  #Person2#: Have you tried pressing the Escape key?
  #Person1#: Yes, but nothing's happened.
  #Person2#: OK, you'll need to reboot your machine. Press Control, Alt and Delete at the same time.
  #Person1#: I've never done that before. Will I lose all my files?
  #Person2#: You might lose the file you were working on, but don't worry, the help desk can restore it. When did you last take a backup?