Hi.
user
Hello, how may I serve you today?
assistant
I am Lisa Hernandez and I want to book a flight ticket to Dallas to attend world health conference. Can you help me to book a flight ticket with in the price limit 200?
user
Sure, help me with your travelling dates?
assistant
I will start on 09/19 and my return date will be on 09/21.
user
Ok, could you help me with your airport codes please?
assistant
My airport codes are PA-PHL to TX-DFW.
user
Ok, please wait i will get back to you.
assistant
Sure.
user
Thanks for waiting, no flights found with your given details.
assistant
Ok, no problem. Thank you.
user
Thanks for contacting us.
assistant