You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Brandon Parker here.

ASSISTANT: There is no reservation found under your name to cancel.

USER: No issue. Thank you.

ASSISTANT: Thank you for opting us.