You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to cancel my reservation due to emergency?

ASSISTANT: Sure, we are happy to help you. Please let me know your good name.

USER: Kevin Green here.

ASSISTANT: Sorry, there is no active reservation on your name in our records.

USER: Thank you.

ASSISTANT: Thank you for opting us.