Errand of the day: Find a date and remember it
Kai finds when something opens, then offers to keep the date as a note so you can ask later.
Try it: open K.ai, tap Tasks, paste this ask, and tap Send.
"Find out when registration for the next Honolulu Marathon opens and remember it for me"
Watch (20 s):
Step by step: 
Find a date and remember it — K.ai blog
Kai finds when something opens, then offers to keep the date as a note so you can ask later.