Hi zaniya246,
Welcome to Apple Support Communities! We understand that you're experiencing issues with connecting your AirPods Pro to your device. We're happy to assist.
Based on your post, it looks like you've completed the steps here: How to reset your AirPods and AirPods Pro which is a great place to start.
You mentioned that you're seeing a flashing white LED when holding the button on your AirPods. This indicates that they are ready to connect. There are some additional steps mentioned here that we'd like to have you complete: If your AirPods won't connect
If you're using an iPhone, be sure that it's updated to the latest version of iOS. The "What you need" section of that link also has some compatibility information that you may find helpful.
If you continue to experience issues with pairing your AirPods Pro, contact Apple Support here: Get Support
We hope this helps.