So now that we've helped out with a bunch of "why" suggestions, here are some examples of odd requests.
Switch a pair of identical dogs owned by identical twins who never met.
Retrieve the last cigarette butt to be swept out of [insert local stadium here] after a serious home team loss, and give it to [insert odd NPC]. Then make sure the last one has a piece of gum stuck to it, and decide whether the addition makes it invalid.
Hug your state Senator.
Make sure a particular deli passes an upcoming health inspection. The deli has no obvious tactical, supernatural or political value.
Rescue someone who will drown in [insert body of water here] in the next week. Don't give an actual day or time.
I like where you are taking this and wish to join in.
Buy one packet of peanutbutter eminems from every (insert gas station) within city limits and deliver all of the green eminems to (isnert NPC).
Search every bathroom in (insert biggest building in town) and find out which one drains the wrong way.
Go to the local park and find a rose, a daffodil, and a lilly, and then throw them in the fountain at exactly 10:53 PM
Collect two monkeys, one penguin, and a zebra from the zoo and report back to me.