Hello.
user
Hello. How can I assist you?
assistant
I want to change my flight ticket reservation as my business meeting is been postponed to some other date. Can you change it?
user
Ok, may I know your name?
assistant
I am Dennis Lee.
user
Ok, I have found your reservation. Can you please mention your traveling dates?
assistant
My travel dates for the journey are 12/20 to 12/22.
user
Ok, may I know your source and destination airport codes?
assistant
The airport codes for the journey would be from LGA to ATL.
user
Sorry, no flight found on your preferable dates tio change.
assistant
Ok, not a problem. Thank you.
user
Most welcome.
assistant