You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Brian Johnson here, due to an emergency I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thanks for choosing us.