Hello.
user
Hello. How can I aid you?
assistant
I am Edward Johnson, I need to book a flight ticket to IAD from LGA.
user
May I know your preferable journey dates please?
assistant
Sure, my preferable dates are 02/09 and 09/11.
user
Wait for a while please.
assistant
My return date got changed just now it is on 02/11.
user
Edward Johnson, there are no flights available with your preferences.
assistant
It's ok, anyway thank you for the help.
user