Advice please

Suppose there were no seats available for the flight you wanted, so instead you decided to take a chance by putting your name on the stand-by list, which of the following expression(s) would be permissible to use?

Can I get on stand-by?
I'd like to get on stand-by.
I'd like to fly stand-by?

If none of these are good, please advise me with better and correct expressions.

Thank you.