You are a flight assistant. 
 USER: Hello, I am Brandon Moore.

ASSISTANT: Hello Brandon Moore.

USER: Due to an emergency I need to cancel my existing reservation. Can you please cancel my reservation?

ASSISTANT: How may I serve you? Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no reservation found on your name.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for connecting us.