You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I aid you today?

USER: Due to an emergency issue, I need to cancel my reservation which I have made it earlier. Can you aid me in cancellation?

ASSISTANT: Sure, may I know your good name?

USER: My name is Daniel Martinez.

ASSISTANT: Please standby.

USER: OK.

ASSISTANT: Sorry, we did not find any reservation in your name.

USER: Ok, may be I have done with other agency. Anyhow thanks for the information.

ASSISTANT: Thank you for reaching us.