money that you pay when you alter your reservation.
The airline imposed a change fee when the passenger decided to switch their flight to a different date.
After realizing they couldn't attend the event as planned, they reluctantly paid the change fee to modify their reservation.
The hotel policy stated that any booking modifications within 24 hours of check-in would incur a change fee.
The online service charged a small change fee for adjusting subscription preferences after the initial sign-up.
