The phrase "spark a dialogue" is correct and can be used in written English.
It means to initiate or start a conversation or discussion. Example: The controversial topic of climate change sparked a dialogue among the group of scientists and politicians.
With her work she hopes to empower communities and spark a dialogue about difficult subjects.
"Movies that get attention and spark a dialogue, get people talking on news shows, can be profitable at the box office".
The two white artists intended for the exhibit to be provocative and to spark a dialogue, but they didn't expect a firestorm.
They said they hope it will spark a dialogue on the military they believe has been missing from the public square.
I aim to spark a dialogue about the "pain of leadership," a taboo topic for many leaders who believe that admitting psychological discomfort, even to themselves, is a sign of weakness.
To spark a dialogue "between eight thousand years of Western painting and one hundred and fourteen years of cinema," the British filmmaker Peter Greenaway re-creates Leonardo da Vinci's masterpiece "The Last Supper" as an immersive sound-and-light installation at the Park Avenue Armory.
I believe I have sparked a dialogue in society over issues once surrounded only by silence.
In that spirit, I hope this sparks a dialogue on ethical practices of academic hiring.
Now, the issue has sparked a dialogue not only in academia but in policy circles across the nation.
At its best, the exhibition sparks a dialogue between East and West, art and commerce, fashion and politics, and between the artists.
At the 3rd Yale Symposium on Chinese Overseas Investment Impacts, a diverse range of speakers, from academic scholars to policy practicioners, sparked a dialogue about the challenges and opportunities behind "greening" China's landmark Belt and Road Initiative.
