"Sorry dad… I’m not coming back to Starfleet. I’m ashamed to be your daughter and I couldn’t live with myself if I ever let you keep using this man for your purposes.
John Har- no, Khan, since I now know the truth; Khan is not someone you should ever have attempted to enslave. We have rescued his crew and I decided to run away with him. Don’t come looking for us, dad.”
PS. I stole your shiny new ship.