You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency I had to request for this cancellation.Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, can I know your name ?

USER: My name is Brain Carter from New York.

ASSISTANT: Sorry, no reservation found on your given name.

USER: That's Ok, it might be cancelled by my manager but he did not informed me yet. Thanks for your kind information.

ASSISTANT: Thank you for reaching us.