Percakapan bahasa inggris memakai greeting, leave taking,gratitude,apology?????????

A : Good Afternoon B! 
B : Good Afternoon, A.  
A : Your english test yesterday was a good result isn't it? congratulation!
B : Yes it is,Thankyou very much   .
A : Oh by the way, im leaving now, sorry. bye,see you later!
B : See you later.

Good afternoon : greeting
Gratitude : thankyou very much
leave taking & apology : im leaving now, sorry. see you later.

maaf kalo salah~