You are a flight assistant. 
 USER: Hello, I am Elizabeth Davis.

ASSISTANT: Hello, how can I aid you?

USER: Owing to an emergency, I need to cancel my recent reservation. Could you please help me with cancellation?

ASSISTANT: Sure, I am here to help you. May I know your name? Please wait for a while.

USER: I have already mentioned above. Sure.

ASSISTANT: No reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.