You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Due to some emergency I need to cancel my recent reservation. Can you help me in cancelling my reservation?

ASSISTANT: Sure. May I know your good name?

USER: I am Nancy Taylor.

ASSISTANT: Please, wait.

USER: Sure.

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

USER: No problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.