Find a user by their real name in Active Directory - powershell

Question

This script is for reseting passwords on AD users if they lost it and need to make a new one. But let's say we dont know the username only their real name, so we want to search for the username and insert it to $Username.
function Reset_Password_Account () {
$Username = Read-Host "Enter your username"
Write-Host "Changing Password for account" $Username
$Newpassword = Read-Host "Enter Temporary Password" -AsSecureString
Write-Host "Running Script..."
Set-ADAccountPassword $Username -NewPassword $Newpassword
Write-Host "Temporary password set"
Set-ADUser $Username -ChangePasswordAtLogon $True
Write-Host "You can now change password on login"
# Stop powershell from exiting after script is run
Read-Host "Press enter to exit"
}
$Readhost = Read-Host "To run script: Enter y
To decline script: Enter n and exit PowerShell
Press Enter to accept your input. ( y / n )"
switch ($ReadHost) {
Y {Reset_Password_Account}
N {exit}

Answer 1

I would recommend using Ambiguous Name Resolution, it searches a range if AD Attributes (list in link) and finds any matches.
The example query below would return both Jimmy Smith and Jim Smith-Williams
Get-ADUser -LDAPFilter "(anr=Jim Smith)"
It will search for all objects where any of the naming attributes start with the string "jim smith*", plus all objects where (givenName=jim*) and (sn=smith*), plus objects where (givenName=smith*) and (sn=jim*).