You are a flight assistant. 
 USER: Hi. Cynthia Clark here.

ASSISTANT: Hello. How may I assist you?

USER: Can you cancel my flight ticket reservation? As my business meet is being postponed to some other date in New York.

ASSISTANT: Sure, please wait for a moment to check your status.

USER: Ok.

ASSISTANT: I have successfully cancelled your ticket.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us, have a nice day.