How to recover my MacBook Air using my iPhone?

Did the user ( you ) place an Activation Lock on this misplaced, lost for stolen device ?

This article from Apple may shed light on this issue

refer below

How to remove Activation Lock - Apple Support (CA)

Aside - there are strict rules about sharing Personal Information is text form or in images

If I may illustrate in below image

Serial Number of a Device or Full Real Name are Off Limited

Hello~ What are you trying to accomplish?

~Katana-San~

Follow on

Another article for Finding or Locating an Apple Device

refer below

Use the Find My app to locate a missing device or item - Apple Support (CA)

Please explain what you mean by “recover”.

What, exactly, are you trying to accomplish?

You can't recover it with your iPhone, you can locate it if you had FindMy turned on and the MBA connects to the internet.

Hannatrading2023 wrote:

81500

Is this supposed to mean something to us?

Zip code or regional postal region in Malaysia

Though script look like possibly Thai or Cambodian not sure