You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I'm Joseph Garcia. I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: I found a reservation for you, can you please share your preferable journey dates?

USER: Sure, I would like to take off on 04/01 and return back on 04/03.

ASSISTANT: May I know your airport codes to proceed further?

USER: My source airport code is EWR and the destination airport code is AUS.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight for you with price of 200, flight number is 1019 and connection is 1. Is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: I confirmed your ticket successfully.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.