Hello.
Hello, how may I help you?
Emma Perez here. Due to some reason, I changed my plans. Can you change my reservation?
Sure Perez, please wait for while. There is reservation found, so please share your new destination and source location.
My new source is ATL and destination is ORD.
Please share your dates, Perez.
In October, I like to go on 10/12 and come back on 10/14.
There is flight-1003 available  with JetBlue, shall I book the ticket.
Yes.
Your ticket has been booked.
Thank you.
Thanks for contacting us. Have a great journey.