Traveling Sitter for Summer 2024 (Agoura Hills to Zurich Switzerland)

I am looking for a female, at least 17 years old to travel with my two children (girl of 6 and boy of 15) to Zurich, Switzerland this summer for one month to 6 weeks in order for them to see and spend time with their father (house is just outside Zurich in a smaller village).
My son may not go, so your primary job will be looking after our daughter while her father is at work.
She may also attend a day camp while there.
Plane ticket and accommodations will be given in exchange for help with the kids while there.
Weekends are off and you will probably have a week or two of additional travel time.
Dates are flexible but ideally, you would be able to travel in July/August period.
You are: Responsible Good with kids Able to do light cooking and laundry Organized Fun and self sufficient Have passport