Hello.
user
Hello. How can I assist you now?
assistant
Due to sudden change in my schedule, I would like to change my existing reservation.
user
Sure, I am ready to help you with that. Can I have your good name to check existing reservation status?
assistant
Myself Jason Anderson.
user
Ok Jason, I have found your reservation so please provide me your travel dates.
assistant
My travel dates are from 07/07 to 07/09.
user
Ok, please let me know airport codes of your journey locations.
assistant
My preferred airport codes are from CLT to MSP.
user
Sorry Jason, there is no flight available to you with changed details.
assistant
Ok, no problem. Thanks for checking.
user
My pleasure. Thank you for choosing us, have a good day.
assistant