要一些英语情景对话急!

Hi Tom,what are you busy doing there?
-Preparing for my final math exam.I found these questions are too hard to answer.
-Good for you.You will get to know them very quickly.
-I hope so.
-Listen,it is Rose's birthday this Sunday.And I am preparing a surprise birthday party for her.Would you like to come that night?
-I hope I could.But you know,I will have the exam just on Monday!
-That's too bad.Can’t you have all these work done before Sunday?
-I guess not.But I will give it a try.
-All right.Hope to see you then.
-I'll call you before Sunday if I can make it.
-Ok,good luck with your exam!
-Thanks!