A family looking for a fulltime helper

We are a family of 4, but in most time only 3 living in HongKong. 1 adult, and 2 teenagers (10 and 15). We are looking for a fulltime helper who can help cooking for breakfast and dinner, do the house cleaning, send and pickup one of the kids to school. The person with good character will be warmly welcomed, including honesty, strong responsibility, positive attitude and willing to ask questions when uncertainty.