These ideas are for the customer that bought your subscription as a gift.
Gift smarter, not harder! Change the date.
RetentionEngine supports gifs. I did a screen record of changing the date in my account management. Then I used gifmaker.me to convert this video into a gif.
Discount for the gift receiver
You can create a special coupon that the gift giver can share with the giftee.
Use a "Relevant Info" cancel resolution to share the discount code.
Note that this will most likely result in a "Canceled" outcome, but hopefully you'll acquire a new customer to offset this!