You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I will help you with that, may I know your name to proceed further?

USER: Stephen Gonzalez here.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.