Possible Clues:

• 'Whoop-de-doo'
• 'Sounds exciting,' sarcastically
• "Riveting," sarcastically
• 'Sounds exciting!'
• 'Sounds like a hoot'
• "Sounds like a hoot"
• “Yeah, I’m looking forward to this!”
• 'Greaaat . . .'
• "Sounds like a good time"
• 'Sounds exciting,' sincerely or sarcastically