You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

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 will help you in cancelling the reservation. May I know your name please?

USER: Sure, myself Brandon Carter.

ASSISTANT: Ok, please hold on for a while.

USER: Sure, take your time to check.

ASSISTANT: Sorry, there are no reservations found in our database.

USER: Oh! It may not be booked properly due to server issue.

ASSISTANT: Thank you for choosing us.

USER: Anyway, thank you for your time.