Happiness expression

Happiness expression is expressions someone what expond happy felling, and can gasped with statement,feature,etc.
Practise the dialogue !
A: Congratilations, maam! You are the first winner and you deserve fiftty milion rupiah.
B: Am I? Thank you very much.
C: How do you feel, ma'am ?
B: It really gives me great pleasure! I'm so happy.