Possible Clues:

• Informal goodbye - protracted?
• "See ya later!"
• 'Sounds like a good buy, but not in the short term (2,4)'
• Initially going after single run, ultimately getting a bye
• Au revoir
• Parting comment
• "Bye!"
• 'Bye, now'
• Ta-ra! (informal)
• Farewell unduly protracted?