You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you need from us?

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 glad to assist you.

USER: Thank you.

ASSISTANT: Can I have your name to check your ticket status?

USER: Sure, myself Susan Smith.

ASSISTANT: I am happy to inform you, there is reservation found with your name in our database and I have cancelled your ticket successfully.

USER: Thank you for your help.

ASSISTANT: You are most welcome. Most welcome.