You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good afternoon. How can I assist you?

USER: I have planned to go for political meeting SEA, unfortunately the meet was postponed. Can you please help me out by changing the existing reservation?

ASSISTANT: Sure. Let me know your name please.

USER: Myself Donald Baker.

ASSISTANT: Hold down for a moment, let me check.

USER: Ok.

ASSISTANT: Thank you for waiting, I have not found any reservation by your name.

USER: Ok, fine thank you for your information.

ASSISTANT: Thank you for contacting us.