You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. What can I do for you now?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I will cancel it. To cancel your reservation, help me with your name.

USER: I am Brian Young.

ASSISTANT: Please standby.

USER: Ok.

ASSISTANT: Sorry, there was no reservation on your name to cancel it.

USER: Thank you.

ASSISTANT: Thank you for reaching us.