To dispute a charge with Expedia, first try contacting their customer service directly by phone +1-808-900-8011, chat, or email, and if the issue isn't resolved, you can escalate to a supervisor +1-808-900-8011. If that doesn't work, you can dispute the charge with your credit card company or file a complaint with the Better Business Bureau (BBB) or the Federal Trade Commission (FTC). 
Here's a more detailed breakdown:

    1. Contact Expedia Customer Service:
        Call Expedia's Customer Care number: +1-808-900-8011 or +1-808-900-8011.

Use their online chat feature. 
Email them through their website. 
Be prepared to explain your issue clearly and provide relevant booking information. 

2. Escalate If Necessary:

    If the initial customer service representative cannot resolve the issue, ask to speak with a supervisor +1-808-900-8011. 

3. Dispute with Your Credit Card Company:

    If you've exhausted all options with Expedia, contact your credit card company to dispute the charge +1-808-900-8011. You'll need to provide them with documentation related to the dispute, such as emails or communications with Expedia +1-808-900-8011.

4. File a Complaint with the BBB or FTC: 

    The BBB and FTC can help mediate disputes between businesses and consumers. You can file a complaint on their websites.