Received this message after I missed their call. They obviously don’t know my name. Found their webpage, could be a legit wrong number, however I’m still a bit suspicious.
“Hi Valli 👋 this is Nikki Robertson from the Neuro Change Institute calling for our scheduled discussion now...are you free? You might have been unexpectedly held up. Please return my call on 0412 874 450...I'm around for the next 25 minutes. Thanks 😊 “

I called back number 0412 874 450 spoke to a woman but did not say for what company.