The phrase "ask about the availability" is correct and usable in written English.
You can use it when inquiring whether something is currently accessible or obtainable, such as a product, service, or event.
Example: "Before making a reservation, I need to ask about the availability of the conference room for our meeting."
Alternatives: "inquire about the availability" or "check on the availability".
The farm was then focused on dairy cows, but customers, hearing of the bison, began to ask about the availability of meat.
"Although we have not been told specifically that we need to have these systems in place, we have had several customers ask about the availability of them," he said.
Speaking of tickets, a friend of a friend of mine called the Yankees the other day to ask about the availability of good seats for a Thursday, July 18th, game against the Tigers, and was told sure, there were some left, and did he want the order at $47 or $55 or $65 per?
You may as well ask about the availability of personal unicorns for your cloud chariot.
For example, the items ask about the availability of "someone you can count on to listen to you when you need to talk".
Ask about the availability of open positions.
Technology Country ranks fourth in a poll of businesses asked about the availability of the latest technologies, behind Finland, the US and Norway.
They have asked about the availability of hitters like Houston's Daryle Ward and could try to swap for Tampa Bay's Fred McGriff, knowing that McGriff could exercise his no-trade provision and void any deal.
Prokhorov was asked about the availability of LeBron James, who recently flamed out in the second round of the playoffs, but this most obedient owner said he could not discuss free agents.
"With so much riding on helium-3, it is shocking to learn that the department's forecast for demand is based simply on a telephone log tracking those who called asking about the availability of helium-3," she said.
