You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Allen.

ASSISTANT: How can I help you today?

USER: I need to cancel my reservation due to my planned event got cancelled. So please help me with cancelling my reservation.

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Just give a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform this, no reservation on your name in our database.

USER: Oh! It may not be booked properly. Anyway, thank you for your time.