You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can I know your name?

USER: Sure, my name is Kathleen Edwards.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Sorry, there are no reservations found on your name.

USER: That's no problem. Thank you for your information.

ASSISTANT: Welcome.