Hello.
user
Hello, how can I aid you today?
assistant
Can you please book a flight ticket from IAH to PHL?
user
Kindly mention your travelling dates?
assistant
Thank you. I have planned my travel dates as Sept 05 and Sept 07.
user
Is there any connection limit for you?
assistant
Yes, I am looking for direct flight.
user
May I know your name?
assistant
Sure, myself George Davis.
user
Ok, please let me know if you need anything else in the mean while I will check.
assistant
I do not  have any other specifications.
user
Ok, please wait a moment.
assistant
Sure, take your time.
user
Sorry George Davis, based on your specifications we haven't found any flights in airline database.
assistant
That is fine, no problem. Anyway, thank you for your time.
user
Thanks for contacting us.
assistant
Most welcome.
user