Hello. I am Donald Walker.
user
Hello, How can I serve you?
assistant
I would like to alter my reservation, as my exam scheduled has been postponed. Could you help me in changing my existing reservation?
user
Sure, I am here to help you. Please wait for a minute, I will revert to you.
assistant
Ok.
user
We are glad to inform you that, we found a reservation on your name. Please provide your new travel dates?
assistant
Sure, I would like to fly from 08/07 to 08/09.
user
Help me with the boarding and dropping airports?
assistant
My journey is from ORD to DFW.
user
Is there any connection limit?
assistant
I need a connection.
user
There is no flight found in search to your route on your dates of journey.
assistant
Ok no issues.
user
Thanks for making us to serve you.
assistant
Thank you for your help.
user