You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to change my reservation which I recently done. Can you help me?

ASSISTANT: Yes, may I know on which name the ticket was booked?

USER: Yes, I had done the reservation on the name Christine Jones.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your own time.

ASSISTANT: Ok, can you please share your new travelling dates?

USER: Ok, my new travel depart date is 05/11 and the return date is 05/13.

ASSISTANT: Ok, please provide the airport codes?

USER: Yes, the origin airport code is PHX and the destination code JFK.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Flight 1023 of Spirit airlines is available on your requested dates, can I proceed?

USER: Yes, book if there is a connecting flight.

ASSISTANT: Yes, the connection with this flight is 1.

USER: Ok, go ahead.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.