You can't
And we're unable to cancel or reverse your transaction.
As unfortunate as it is, cryptocurrency transactions on the Bitcoin, Ethereum, and Bitcoin Cash networks are designed to be irreversible and we or anyone else have no control over them.
Knowing this, it's extremely important to make sure your transaction details are correct before you click send.
Always double or tripple check the transaction amount, receiveing address and any other input info (destination tag etc.)