How can i get my airtime back?

I forget my old pin on share n sell airtime

I sent airtime to a wrong number #08134378287# through bank How do I get it back

Y'ello! Your account has been credited with 6.00 GB XtraByte (valid for 30 day(s)). NGN 2875.00 (includes VAT) will be deducted from your next recharge.

Y'ello! Your account has been credited with 6.00 GB XtraByte (valid for 30 day(s)). NGN 2875.00 (includes VAT) will be deducted from your next recharge.