You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Due to our family meeting has been postponed, so I want to change my existing reservation.

ASSISTANT: Ok, I can help you with that. May I know your name?

USER: Amy Perez here.

ASSISTANT: Please wait for a while. I will get back to you.

USER: OK.

ASSISTANT: Thanks for waiting. We have found a reservation on your name. Can I know your new journey details?

USER: I want to change from Chicago, IL - ORD on 10/28 to Austin, TX - AUS on 10/30.

ASSISTANT: Please hold on. I will check and let you know.

USER: OK.

ASSISTANT: Thanks for your patience. There is a flight with airline number 1019 and airline name is JetBlue. Price of ticket is 200. Shall I proceed further with this booking?

USER: Ok, you can proceed with Jet Blue airline.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for helping.

ASSISTANT: Thank you for connecting with us. Have a happy journey.