You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm Paul Scott. I had planned to go for a vacation, but it got postponed.can you change my recent reservation?

ASSISTANT: Sure, please give me a moment to check.

USER: Ok.

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

USER: Ok. That's not a problem.

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

USER: Anyway, thank you for your help.