Monica: Hello. I am Monica. What's your name?
Joan: My name is Joan. Glad to meet you.
Monica: Glad to meet you, too. How old are you?
Joan: I am sixteen (тут любой возраст вписать можно) And what about you?
Monica: I am sixteen, too или I am fifteen (или опять же любой возраст). Do you like it here?
Joan: Yes, I do. Are you here with your family?
Monica: I am glad you like it here. Yes, I am. But my mother (или father) is not here. She (или he) is still in London.
Joan: I am here with my father. Oh! Look! He is calling me. Bye, Monica. It was nice meeting you.
Monica: It was nice meeting you, too. See you later.