Originally Posted by
ikwia
I've seen situations where, at checkout, you're told the fare is no longer available. So I agree it creates a PNR, but it does not seem to properly lock the fare. Then again, this could be some other issue -- I've seen situations where you encounter the "fare not available" issue, then start a new search and see the same fare again, yet find that it is still not available.
Are you attempting to book a fare that starts out of Google Flights or some other platform?