You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Can you please be my helping hand to change my recent reservation?

ASSISTANT: Sure. May. May I know your name please?

USER: Sure, my name is Pamela White.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.

USER: Ok, thanks for your response.

ASSISTANT: Thank you.