Hello. I am William Thompson.
Hello, how can I assist you today?
 I want to travel to TX-HOU to meet my parents from PA-PHL. Can you book a direct flight?
Sure, may I know your journey dates?
My journey dates are 10/12 and 10/14.
Do you need a halt in between your journey?
 I need a direct flight.
Please wait for a moment.
Ok.
Sorry to say that, no flights were found with your given details.
Ok, thank you for your help.
Thank you for reaching us.