You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Emma Tuner, Help me to cancel my ticket as my friend cancel our tour.

ASSISTANT: Sure,. Please wait a moment, I will let you know the information.

USER: Ok.

ASSISTANT: We are very sorry to notify you that there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us help.

USER: Thanks for helping me.