You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: As my meeting got postponed, can you please help me in changing my existing reservation?

ASSISTANT: Ok, I will help you with that. May I know your name to check?

USER: My name is Carolyn Evans.

ASSISTANT: Sorry, there is no reservation been found on your name.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for connecting our agency.