You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: Will you please assist me in changing my earlier reservation as my scheduled meeting got postponed?

ASSISTANT: Sure. May I know your name?

USER: I am Eric White.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for being waiting.

USER: Ok.

ASSISTANT: We didn't found any reservation by this name.

USER: Not an issue. Thank you for the information.

ASSISTANT: Thank you for consulting us.