You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I provide assistance for you?

USER: Can you please help me in changing my reservation as the arts and crafts festival which I want to attend got postponed?

ASSISTANT: Sure. Let me know your good  name to check the previous reservation on your name?

USER: My name is Jennifer Lee.

ASSISTANT: Please, standby.

USER: Ok.

ASSISTANT: Thank you for being patience. No reservation found on your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing us.