You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Christopher Lee, I need to cancel my recent reservation due to  cancel of my event. Could you please help me?

ASSISTANT: Sure, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name in our database.

USER: No problem ,thank you for the information.

ASSISTANT: Thank you for reaching us.