Delayed order

I placed the following orders
Order # 171-7522605-5271553 dated 13th october
Order # 402-6104954-5495552 dated 16th october
Order # 402-2337593-1651528 dated 16th october
Order # 402-9609097-2383564 dated 26th october

All the orders are overdue. Nobody in amazon customer care is helping me neither telling me the cancellation procedure…