You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: As my scheduled interview got postponed, I want to change my earlier reservation. Can you please help me in doing that?

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

USER: I am Stephen Young.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for choosing us.