It's rude to hang up on someone.
Jane calls a store to find out what their hours are and if they've got a certain product.
The store employee wants to avoid leaving the cash register.
The store employee looks the product up in their inventory for Jane before hanging up.
The store employee tells Jane they'll look for the product but hangs up the phone instead.
Jane is pleased with the employee's customer service.
Jane feels annoyed that the employee hung up on her.