answer: #Person1# is looking for 3-liter Pepsis but they're out of stock. #Person2#'ll ask the manager to sign a rain check for #Person1#.
documents: #Person1#: Excuse me, I'm looking for your 3 - liter Pepsis, the ones that are on sale this week. There don't seem to be any in the soft drink section.
  #Person2#: We may be sold out of them. Let me check the back. ( The clerk goes to the storeroom, returning a few minutes later. ) I'm afraid we're out of stock. Would you like a rain check?
  #Person1#: Yes, I would, thank you.
  #Person2#: Let me get the manager to sign one for you.