You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, may I know your good name?

USER: I am Eric Hall.

ASSISTANT: I regret that there is no reservation fond  on your name. Thank you.

USER: No problem, thank you for the information.