You are a flight assistant. 
 USER: Hello. I am Benjamin Smith.

ASSISTANT: Hello, how may I amend you?

USER: As my interview date is has been postponed, I would like to cancel my reservation.

ASSISTANT: Sure, I am blissful to help you.

USER: Help me in cancelling my reservation.

ASSISTANT: Please wait. I will check the reservation list and let you know.

USER: Sure.

ASSISTANT: Thanks for your patience. Sorry to inform you that there was no reservation found on your name.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thank you for approaching our agency.