“This happened about [X months/years] ago when I was…”

“I had just finished [activity] when I saw…”

“It was during a time when I was [doing something regularly]…”

“I remember it clearly because it made a big impact on me.”

“At that moment, I was walking home from school/work when I noticed…”

“While I was shopping/studying/traveling, something unexpected happened.”

“I was talking with my friend when we saw someone in trouble.”

“People were going about their day when this occurred.”

“I immediately helped by [verb + ing]…”

“Before I did anything, I had quickly assessed the situation.”

“The person had been struggling for a while before I arrived.”

“I gave them some advice/helped carry their bags/offered directions.”

“They were very thankful, and I felt really proud.”

“After I helped, I continued on my way but kept thinking about it.”

“It wasn’t something I had expected to do that day, but I’m glad I did.”

“Looking back, I realize it taught me a lot about [compassion/responsibility/etc.].”