Hello.
user
Hello, how may I aid you today?
assistant
I am Pamela Moore. I am planning to celebrate my birthday in Philadelphia, so please book a economy class flight ticket for me.
user
Sure, may I know your airport codes?
assistant
My source and destination airport codes are TX - DFW, PA - PHL.
user
When are you departing and returning back?
assistant
My departure day is 09/06, return day is 09/08.
user
Wait a minute.
assistant
Sure.
user
Sorry, currently there are no flights available on your travelling dates.
assistant
Ok, no problem. Thank you.
user
Thank you for availing us.
assistant