Is Air France Open On 24/7?

Absolutely, Frontier Airlines accepts refunds for cancellations made
within 24 hours of purchase us +808-470-7107. You will receive
a 100% full refund right away. After this period, surcharges or other
fees can be necessary depending on the type of fare.

Source: https://community.articulate.com/discussions/rise-360/air-service-is-air-france-open-on-24-7-openservice