get one's wires crossed
idiomPart ofwire
get one's wires crossed — idiom
1. to misunderstand another person because each of you thought the other meant some
1.idiom
Definition
to misunderstand another person because each of you thought the other meant something different
Example
I think we got our wires crossed — I said Wednesday, but you booked Friday.
The travel agency got its wires crossed and reserved hotels in two different cities.