You paid a transaction fee rate of ~50 satoshis/byte. According to
https://bitcoinfees.github.io/#30m the current recommended fee rate to confirm within the next block is 180 satoshis/byte.
You have a few options here. You can wait and hope it confirms, wait for the transaction to be "forgotten" by the network, attempt a double spending transaction that pays a higher fee, or ask a miner to confirm it for you.
For the third option, we need to know what wallet software you are using.
For the fourth option, you can contact the users
Quickseller and
macbook-air.