What to Mirror MacBook Pro 2018 and MacBook Air Early 2015

I have 2 Mac -

-- MacBook Pro 2018 with Mac OS Ventura

-- and MacBook Air Early 2015 with Mac OS Monterey

1) Scenario 1

I am able to mirror MacBook Air 2015 to MacBook Pro 2018 and use MacBook Pro 2018 as extended screen

2) Scenario 2 (My Requirement)

I am not able to mirror MacBook Pro 2018 to MacBook Air 2015 to and use MacBook Air 2015 as extended screen because the MacBook Pro is not able to detect MacBook Air under Screen Mirroring