You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Owing to emergency, I want to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My self Christine Davis.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name to cancel.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.