You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, may I know your name please?

USER: Kevin Thomas is my name.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Ok, thanks for your service.

ASSISTANT: Thank you for reaching us.