You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

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

ASSISTANT:  How can I help you? sure. May I know your name for cancellation?

USER: Sure, my name is Scott Davis.

ASSISTANT: Sorry, no reservation found on your name.

USER: That's ok, thank you.

ASSISTANT:  Thank you for availing us.