Complex sentence: Linda then realises that the phone call was still connected, and promises to fix things to make sure social services do not know about what happened, however Kat receives a call from a social worker requesting to visit her.
Split into simpler sentences: Linda then realises that the phone call was still connected, and promises to fix things to make sure social services do not know about what happened. Although Linda tries to clear up the misunderstanding, Kat receives a call from a social worker requesting to visit her.