You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid 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, I can help you out. May I know your name?

USER: Gregory Thomas is my name from Dallas & Fort Worth.

ASSISTANT: Give me a minute.

USER: Sure, take your own time.

ASSISTANT: Thanks for your name. We didn't found any reservation by this name.

USER: That's Ok, not an issue. Thanks for your kind information.

ASSISTANT: Thank you for consulting us.