The voices inside my head

It is the year 2132 and everything has changed. To phones and to flying cars. Those are just minor changes, to the biggest one. Scientists have discovered that the voice inside your head is your soul mate.
Samantha Halls is a average school girl not really into the whole finding soul may thing. As a kid Samantha had more than one voice in her head. She would always tell her parents but they just told her to take a nap. One day when she was 14 she noticed that one of the voices in her head were gone. Now Samantha is graduating high school and has decided to find out what has happened.