Hello, myself William Parker.
user
Hello. How can I aid you today?
assistant
I am planning to book a flight ticket to DFW from SEA, can you please help me out?
user
Sure, I am glad to help you with that booking, may I know your travelling dates?
assistant
Sure, my preferable travelling dates are 02/04 and 02/06.
user
Please allow me a moment.
assistant
Ok, take your time.
user
Sorry, no flights are available on your desired route. Thank you for reaching us.
assistant
It's ok, thank you for the information.
user