make a short dialogue with expressions of sadness and embarrassment

Dialogue expression of Sadness
A : Hi, how is it going?
B : Hi, uhm it is not well.
A : why? about your exam?
B : yes it is. the exam was really hard. I just can't answer almost all the questions.
and I am very sad about it.
A : Well, I think you should work and try harder and harder.


Dialogue expression of Embarrassment.
A : What happened to your face? 
B : I must say that was an embarrassment. I just slipped because the peel of banana in Cafeteria. everybody looked and laughed at me.
A : yes it was really embarrassment. but are you okay?
B : Yes, i am okay.