You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency, I need to cancel my existing reservation. Can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: I am Susan White.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.