You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency I request for this cancellation, will you help me in cancelling my recent reservation?

ASSISTANT: Sure, I will aid you.

USER: Thanks.

ASSISTANT: Could you please provide your name for checking purpose?

USER: My name is Brenda Clark.

ASSISTANT: Sorry, no reservation done on name of Brenda Clark.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you.