To Cancel an offer, you need to ensure that Offer Status is Open.
Step 1: In your Account setting, choose My Offer
Step 2: On My offer page, click on Cancel at Actions column
Step 3: Cancel Offer pop-up will be presented. If you’re sure to cancel, let’s click on Confirm button
Step 4: Next, you need to confirm your cancellation by signing on MetaMask. After your confirmation process is successful, you need to pay a Gas Fee