You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Steven Hall. I am planning to visit has been postponed due to some personal problems.Can you please change my existing reservation?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  We found reservation on your name, may I know your new travel points?

USER: My travel points are NY-JFK and TX-AUS.

ASSISTANT: May i know your travel dates?

USER: I would like to depart on 05/29 and arrive on 05/31.

ASSISTANT: We found a flight with Hawaiian airlines, flight number is 1000 with one connection and price is 100.

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.