Hi! Are you in the parking lot? -Hi! No, I was, but I left. -Why did you leave the parking lot? - Because I didn't see anybody there and I thought you went to the other side of the house. - Oh ok, wait for me there, I'll be right down.

-Hi! Are you in the parking lot? -Hi! I was but I got out of there. -Why did you get out of the parking lot? - 'Coz I didn't see anybody there and I thought (that) you was on the other side/at the back of the house. - Ok, stay there, I'll be right down.