Memory loss?

Confused

"What" I said "is there something on my face?" I said worried but none of them said a thing for the next 30 seconds until the boss said "Angelina your here" he sighed in relief
"Well yeah where else would I be it's Monday" she laughed awkwardly. "No your not understanding you've been missing for a month" April (worker) said. "Ugh again with this prank did Kate put you up to this" "wait who's Kate" said April. "Kate, the cafe owner? We always go there together April remember" "wait Kate Owens she died while you were missing" "wait w-what's happening this dosent make sense I wasn't ever missing and I just saw Kate not longer than half an hour ago.

Then out of nowhere I woke up it was a dream but Kate Owens was really dead 2 minutes after I went to sleep she was haunting me...why me? But here's the twist she wasn't an cafe owner she was me. There was no Angelina well there was before I killed her.