GOL Airlines typically follows a standard ticket cancellation policy, but it's always a good idea to verify the specific details for your ticket as policies can vary based on factors like fare class, route, and whether the ticket is refundable or non-refundable. Here are the general steps you might follow to cancel a flight ticket with GOL Airlines:

1. Review the Terms and Conditions: Before proceeding with cancellation, review the terms and conditions of your ticket. This will help you understand any applicable fees, restrictions, or eligibility for a refund.

2. Check Eligibility: Determine if your ticket is refundable or non-refundable. Refundable tickets typically allow for cancellations with a refund, while non-refundable tickets may incur fees for cancellation or may not be eligible for any refund.

3. Contact GOL Airlines: Reach out to GOL Airlines customer service to initiate the cancellation process. You can do this through their website, mobile app, or by calling their customer service hotline. Have your booking reference or ticket number handy for faster assistance.

4. Provide Booking Details: During the cancellation process, you'll likely need to provide your booking reference or ticket number, as well as personal identification details to verify your identity and booking information.

5. Confirm Cancellation Fees (if applicable): If your ticket is non-refundable or subject to cancellation fees, confirm the amount you'll be charged for canceling your ticket. This information should be available in the terms and conditions or provided by the customer service representative.

6. Request Refund (if applicable): If your ticket is refundable, request a refund for the canceled flight. Be prepared to provide any necessary information or documentation to facilitate the refund process.

7. Receive Confirmation: After completing the cancellation process, you should receive confirmation of the cancellation and any applicable refund details via email or other communication channels.

8. Check Refund Processing Time: Depending on the payment method and the airline's policies, it may take some time for the refund to be processed and reflected in your account. Check with the airline for the expected timeline for receiving your refund.

9. Monitor Refund Status: Keep track of the refund status and follow up with GOL Airlines if you haven't received the refund within the expected timeframe. They should be able to provide updates on the status of your refund.

By following these steps, you should be able to cancel your GOL Airlines flight ticket smoothly and efficiently. Always remember to review the specific terms and conditions associated with your ticket to ensure compliance with the airline's policies.