how can i get my airtime reversed after a Failed bank recharge ?

I mistakenly recharge #5000 airtime to a wrong number from my momo psb account. So, I want the airtime should be reverse back to the correct number below. *Wrong number...

mistakenly recharge 18500 from my bank I want transfer it back to my account but I already solve it to data but I want reverse it to airtime and returned it my account

#data#airtime#bank

I recharged through the MTN app, but my network wasn't credited and my bank was debited and the money has not been reversed