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Strange reservation

Hi everyone, first of all, sorry for my English, it's not my language.

Today I've receive a reservation for September and a message for the man who reserve saying that he is old and he draw a map to arrive home and he attached a Google Drive direction so I could download. Also said that he is excited to meet us and also sends a photo that for security he put a password... Ok really strange, also because he said at first that he has 72 years old and he knows exactly how to use Google Drive and put a password to a photo but not how to use a GPS... Someone more in this situation? I'm going to call to ask them.