Fun 11yr Old And 18yr Old (special Needs)?

I am looking for one-time care for my special needs 18yr old son and my 11yr old daughter. Both are pretty chill, but my 18yr old is non-verbal/wheelchair, so he requires someone within earshot at all times. Only requirements are patience, willingness to do an occasional diaper change, and be willing to somewhat entertain the 11yr old. All other cares required for my son will be provided before my husband and I leave the house. We have a golden retriever in the house as well; SUPER loving and friendly, but just thought I'd mention it for those with allergies or not fond of pets. There is a potential for future occasional jobs if this is a good fit.