Possible Clues:

• Brief "Bye for now!"
• Texter's "Bye for now"
• Texter's "Speak soon"
• 'Bye for now,' in texts
• "Bye 4 now"
• Texter’s “Gotta boogie!”
• “Ta-ta” from a texter
• 'See ya,' online
• Texter's "Ta-ta!"
• Texter’s farewell