"cheerful conversations" is correct and usable in written English.
You can use it when referring to a pleasant atmosphere created by conversations that are full of cheer and positivity. For example, "The evening was full of cheerful conversations and laughter."
The influential Saudi ambassador Prince Bandar bin Sultan was pictured in cheerful conversation with President Bush on the White House balcony a few days after 9/11.
Kondo sees tidying as a cheerful conversation in which anything that doesn't "spark joy" is to be touched, thanked and ceremonially sent on its way towards a better life elsewhere, where it can discover a more appreciative owner.
But even that was a piss-take of the Stoic or Socratic ideal: if Tacitus's account is to be believed, he slit his wrists, had them bound up again, invited some friends for dinner and cheerful conversation.
All shared the same spirit and enjoyed her cheerful conversation and deep humanity at the philological lunches she instituted – or in private when she advised foreigners on life in England, the English on the world abroad, and all alike on gardens, cats, and anything else one needed advice about.
However, one account states, "following a cheerful conversation with other officers who had congregated for a military council in his tent on Sunday, 13 August N.S. he had eaten some cucumbers with zest and washed them down with mead, and from that contracted dysentery.
As this started to happen, a flood of everything from cheerful telephone conversations to Facebook wall posts talked about how inspiring my dad has been to them.
The informal and cheerful tone in conversations with health-care workers and peers made the traditional patient and caregiver roles less prominent and facilitated equal participation and engagement.
For the first 20 minutes after taking off from Barcelona, the two pilots who were operating the Airbus A320 had a "cheerful and polite" conversation, according to Robin.
TONY BRANCATELLI, WHO IS 51, is a man of a birdlike build and intensity, but he also possesses a Midwestern folksiness, closing most conversations with a cheerful "alrighty".
That said, he is hardly shunned at City Hall; to the contrary, he's a cheerful participant in most council conversations.
But Gandhi was stoical in his bearing, cheerful and confident in his conversation and had a kindly eye.
