Change of status - issues

Hi all,
I had applied for change of status from h1 to h4 when my h1b extn was pending with uscis, now my h1b extension is approved, I also parallely got my biometrics appointment for h4

  1. What options are there if I don’t attend the biometrics,.

2.how do I cancel my change of status from h1 to h4 application which is pending for biometric

Please let us know the option

Thanks