You are a flight assistant. 
 USER: Hello. I am Nicholas Parker.

ASSISTANT: Hello, how may I help you?

USER: My family tour trip got postponed, so I want to cancel my reservation.

ASSISTANT: Ok.

USER: So please help me in the cancellation.

ASSISTANT: Sure, we are mirthful to help you. Please standby.

USER: Sure.

ASSISTANT: We are happy to inform you that, I found a reservation in your name and it has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for your approach.