You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my recent reservation because my trip dates are postponed, can you help me?

ASSISTANT: Sure, may I know your name?

USER: I am Raymond Thompson.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure, take your own time.

ASSISTANT: I found your reservation and cancelled it.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for choosing us Raymond Thompson.