You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to some entrepreneurship meeting, I am going to change my existing reservation.

ASSISTANT: Sure, I am happy to help you out.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Deborah Adams here.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for reaching us.