You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my reservation as my exams got cancelled, can you please help me out?

ASSISTANT: Sure, I am here to help you. May I know your name for checking purpose?

USER: Thank you. I am Christopher Thomas.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT:  Christopher Thomas, no reservation found on your name in reservation list.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.