U 2 L 1 Conversation

A: Karolina, this is Daniela.
    Daniela's my classmate.
B: Hi, Daniela.
C: Hi, Karolina. It's a pleasure to meet you.
B: It's a pleasure to meet you, too.

A: Brenda, this is Dania.
Dania's my classmate.
B: Hi, Dania.
C: Hi, Brenda. It's a pleasure to meet you.
B: It's a pleasure to meet you, too.