If you did, see if it has Trip Cancellation/Interruption Insurance. Worth looking into, especially if you're sitting at only 1/4 credit. It may or may not work out, but it is worth a shot imo.
Credit card trip insurance can be a lifesaver when unexpected delays, cancellations or other emergencies come up before or during your trip. However, it can be confusing to know what documents you need to file a claim with your issuer.
AmEx trip cancellation insurance can help pay for cancellation if you booked travel with your AmEx card. Here's the basics about what's covered under your card.