make someone's acquaintance
US /meɪk ˈsʌmwʌnz əˈkweɪntəns/
UK /meɪk ˈsʌmwʌnz əˈkweɪntəns/

1.
to meet someone for the first time
:
•
I was delighted to make your acquaintance at the conference.
•
He hoped to make her acquaintance at the party.
to meet someone for the first time