Her reflection in a mirror

Need a key? You found me. I ran. Tried to stay hidden. Until it's all that's left of me. What's your name? Stolen thoughts and memories. Got an escape plan? But so much of me is wrong. Out of place… Can I speak with you, please? I'm not who I used to be. A little souvenir I hung on to, just in… You like games. So do I. This is UNSC AI serial number CTN 0452-9… It's very nice to meet you. It's hidden deep, where only you can fin…