You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I just want to cancel my reservation due to an emergency meeting scheduled. Can you assist me in this?

ASSISTANT: Sure, May I know your name?

USER: Angela Nelson is my name.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for being patient, There was no reservation found on your name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Ok, Thank you for choosing us.