An Angel or a Ghost?

From: 
Story type: Ghost
Location: i guess in england
Source: Form Submission

My dad told me this one...it actually happend to him! This happend when my dad was younger.

Once he was waiting for a bus where there was nothing at all...just a sreet and a bus sign and a hill...no trees or anything. He had no idea when the bus was coming so he asked this one women who was there too,when it was gonna come. she told him it was coming right at that moment, it was! (u couldn't see when it was coming because of the hill) when my dad turned around to say thank to her she was gone. He looked everywhere for her but he couldn't see her anywhere. Later that day when he told his brother wat had happend, his brother asked if he had looked up.no. My dad did not look up!

was an angel? or a ghost? this is real! i mean it! :D thanks for reading! :D