Convention 2:

A: Hello，Mike！ Will you be free this Saturday？

B: Maybe.What's up？

A: We are going to have a barbeque on Saturday afternoon.Would you like to join us？

B: That's great！ Count me in please！ Shall I bring anything？

A: Yeah！ Either some fruits or Cola.

B: Who will go with us？

A: Alice，Tom，Bruce，Lily，Catherine.About eight of us.

B: Good.When and where shall we meet？

A: At the school gate at 3∶30.

B: OK.See you then！