You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please cancel my recent reservation as I am sick and can not make it to the trip?

ASSISTANT: Sure, can you mention your name to proceed further?

USER: My name is Katherine Brown.

ASSISTANT: Sorry, no active reservation found with your name in our records to cancel it.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.