как мне создать диолог ?

смотри
Hello
hi
how are you
I am fine thanks and you
I am fine
How old are you
I am (сюда напиши ему сколька лет)
How old are you ( сюда напиши сколько тебе лет)
Hm goodbye
bye

Например:
T:Hi,Alice!
A:Hi,Tim! Is that your new bike?
T:Yes,it is!
A:Wow,it's fantastic!
T:Thanks, Alice!.Is that your new camera?
A:Yes . It's a digital camera from my mum and dad . It's my birthday today.
T:Oh,Happy Birthday, Alice!
A:Thanks, Tim!Smile for the camera!