I have two children that qualify for the respite care voucher. So you could work with both of them individually or just choose to work with one.

Child one is 15, easy going, would probably like someone that would just hang out with them, talk to them about their interests, and do some fun activities, they are nonbinary so you need to be comfortable with that.
Child two will be 12 on the 17th of December, she likes doing crafts and fun activities, she has a speech delay, low muscle tone, and likes to tease. She will want someone that does fun things with her.

Once again this will be one child at a time, so you will never have both kids together. They have 40 hours of time each every 6 months. Neither child has behaviors beyond typical children behavior. The teenager is even more pleasant than most teenagers, and the 12 year old has a great sense of humor and is lots of fun.