Dear sir:
First of all, thank you for your coming, I'm very glad to know that you are my audience.
I feel so nervous 'course I worry about my bad memory can't remenber the dialogues in the beginning of the show. Fortunately, the show gose well in the rest of performence. After the show, your praise makes me feel that our hard work was so worthy, we feel worm and sweet.
Thank you once more. We will work even harder in the future.
your student XXX