You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Ok, please provide your name to check your reservation.

USER: Sure, my name is Brandon Thomas.

ASSISTANT: Brandon Thomas, very good name. Let me check your previous reservation now.

USER: Ok.

ASSISTANT: I searched for your previous booking, but no results were found in our data base. Sorry for the inconvenience.

USER: That's ok, thank you for checking.

ASSISTANT: Have a great day.