You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know how best I can serve you today?

USER: Help me in cancelling my flight reservation. As I postponed my meeting.

ASSISTANT: Sure, I'll try to help you in cancellation. I need some basic information to check your ticket details, can you please tell me your full name?

USER: Sure, I am Cynthia Johnson.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation by this name. Shall I cancel the ticket?

USER: Sure.

ASSISTANT: Your ticket has been cancelled and refund initiated.

USER: Thanks for your service.

ASSISTANT: Thank you for approaching us.