Hello lizcostales05,
If you've already gone through the steps in If your Apple Watch won't charge or it won't turn on and it's still not working, then it's time to have the Apple Watch serviced.
You can find available service options for Apple Watch here: Apple Watch Service and Repair
For your unresponsive iPhone, you can try these steps: If your iPhone won't turn on or is frozen
If you've exhausted those steps and the device is still unresponsive, then you'll need to have it serviced as well.
You can find available service options for iPhone here: iPhone Repair and Service
Cheers!