Hello.
user
Hello. How can I aid you?
assistant
I am Dorothy White. Actually, I didn't found the option of change reservation. Can you do this for me?
user
Sure, give me  a minute.
assistant
Ok.
user
There is a reservation on your name, can I know your new journey dates?
assistant
Yes, sure. I want to change my airport codes and my airport code are from SFO to DEN.
user
Ok, can you share your dates of journey?
assistant
My trip dates are same from 08/10 to 08/12.
user
Sorry, there is no flight found on your requested dates.
assistant
That's fine.
user
Thank you for reaching us.
assistant
Thank you for your help.
user