Possible Clues:

• Stop after 24 hours?
• Don't work on phone — I'd always welcome volunteers
• Christen Ita after father with ponytail? Give up!
• Give up present title for 24 hours?
• Stop working in Ring with Ita from dawn to dusk
• Appeal Lily put out to Doris: stop work
• Leave work
• Heads or tails? Answer takes 24 hours to turn in!
• Concede defeat
• Stop working for 24 hours after phone conversation on IT