(Bloomberg) -- American and Chinese officials are working to bring back more passenger flights between the world’s two largest economies, another sign of progress following deals struck last week between Presidents Joe Biden and Xi Jinping in California.Most Read from BloombergAltman Returns as OpenAI CEO in Chaotic Win for MicrosoftMcKinsey and Its Peers Are Facing the Wildest Headwinds in YearsHulu for $1, Max for $3: Streaming Services Slash Prices This Black FridaySam Altman, OpenAI Board Op