Student: Good morning, sir.
Librarian: Good morning.
Student: I need a book, sir.
Librarian: Which book do you need?
Student: Bidrohi by Kazi Nazrul Islam.
Librarian: Very good. Do you have library card?
Student: Yes, I do.
Librarian: Give it to me.
Student: Here it is, sir.
Librarian: Ok. You put a signature here.
Student: Done, sir.
Librarian: Here is the book.
Student: Thank you, sir.
Librarian: You are most welcome.