You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Will you please assist me in cancel my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: Jack Lewis.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.