Needing childcare - (Boonville, IN)

I have a soon to be 5yr old son and a two year old daughter that I am needing childcare for on an on call basis. I am a mail carrier and I will need child care when I am scheduled and when I am called in last minute. Hours would normally be 630- 5 or 530..it will need to be pay per day. I need someone very reliable and good with kids.