You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you please help me in this?

ASSISTANT: Ok, may I know your name?

USER: I am Katherine Brown.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.