[make] {one's} acquaintance

to meet and become familiar with someone, often during a formal or initial introduction

I had the pleasure of making his acquaintance at the conference.
She expressed her interest in making your acquaintance during the event.
Meeting new people at the party allowed me to make several new acquaintances.
He made her acquaintance when they were both studying abroad in Paris.
It was a delightful experience to make the acquaintance of the renowned author at the book signing.