You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: My name is Stephanie Carter.

ASSISTANT: Yes Stephanie, how can I help you for today?

USER: I want to cancel my reservation due to emergency, can you help me?

ASSISTANT: Sure Stephanie, please wait for a moment.

USER: OK.

ASSISTANT: Sorry, I did not found any reservation on your name.

USER: OK, thank you for checking.

ASSISTANT: Do you want any more information please?

USER: No.

ASSISTANT: OK, thank you and have a nice day.