You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER:  I am Stephanie Hill. I want to change my reservation due to prepone of my meeting.

ASSISTANT: Sure, I am happy to help you. Please wait for a while.

USER: Ok.

ASSISTANT: We found a new reservation on your given name, can you please provide your new journey details?

USER: My new travel dates are  10/19 and 10/21. I will depart from FL-MCO to TX-AUS.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: We found a flight with Spirit airlines, flight number is 1003 with one connection and price is 100.

USER: you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER:  Thank you for booking.

ASSISTANT: Thanks for choosing us.