Making Arraugements

María:12345.Hi!
Carla:Hi.How are you?
María:Fine! and you?
Carla:Fine too!
María:Are you going to the party tonight?
Carla:Yes,and you?
María:Yes,can my sister go?
Carla:Of course!Can I speak to her?
María:Yes,just a moment please.
Emily:Hi!
Carla:Hi!Can you go to the party tongith?
Emily:No I can't because I have to study.
Carla:Ok.
Emily:Thanks for inviting me.
Carla:See you another day,goodbye!
Emily:Ok.goodbye Carla.