You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What services are you looking for?

USER: My holiday vacation has been postponed.Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure. Please hold on for a moment to check your details.

USER: Ok.

ASSISTANT: Meanwhile, may I know your name?

USER: Please check the details on the name of Jeffrey Miller.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Do you want to know anything else?

USER: No, thank you for your information.

ASSISTANT: You are welcome.