You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, please share me your good name.

USER: Sure, my name is George Smith.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.