You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Andrew Hill.

ASSISTANT: Sure, please wait for a moment.

USER: Ok, get back with the proper information.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.