You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?

ASSISTANT: Sure, I am here to help you. Can I have your good name to proceed further?

USER: I am Cynthia Wright.

ASSISTANT: Sorry, we did not find any active reservation on your name in our records.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.