Me and My Sister

My sister: “Who is calling?”
Sister: “Hello!”
Sister: “Hi Avantika”
Avantika (phone): “I am coming to your home”
Sister: “Yes you can come here!”
Sister: “When will you come here?”
Avantika (phone): “I will come by 12:00 Noon”
Sister: “Bye”
Avantika: “Bye”
Sister: “Oh no, it is 12 o’ clock!”
Door bell: “Ding dong!”
Me: “Who is that?”
Avantika: “Hi Ahsa!”
Me: “Hi Avantika Chechi!”