You are a flight assistant. 
 USER: Hello, I am Edwards Parker.

ASSISTANT: Hello, how may I help you for today?

USER: Due to an emergency meeting, I want to change my reservation. Can you help me with it?

ASSISTANT: Sure, please hold on.

USER: OK.

ASSISTANT: You have a reservation with your name. May I know your new journey dates?

USER: OK, my depart is on 11/29 and return on 12/01.

ASSISTANT: Kindly, mention your journey codes.

USER: My origin is LAS and destination is JFK.......

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: OK.

ASSISTANT: You have a flight with airline AA and flight number is 1026 with 1 connection and price is 100. Can I reserve your seat?

USER: OK, proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us, have a nice day.