Hello.
user
Hello, how can I assist you today?
assistant
I am Karen Parker. I want to change my reservation as my plan to meet my brother is postponed. Can you help me in changing my reservation?
user
Sure. Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is a reservation found on your name. Please share your journey details.
assistant
My source point is Washington DC-DCA and destination is Charlotte, NC-CLT. I will fly on 12/06 and return on 12/08.
user
There is no flights found on your given specified dates.
assistant
OK, thanks you for helping me.
user
Thank you.
assistant