People aren't opting in to randomly getting reminded of their deceased parents when they're buying your phone.
I get that you're trying to increase adoption of the voice dialling feature, for whatever reason. Maybe fetch the most dialled contact from the recently called list?
Identifying these types of design pitfalls is kinda part of the job. Have a look at https://tarotcardsoftech.artefactgroup.com for inspiration on how to proof your UX.
