Hi. I am Paul Johnson.
user
Hello, how may I abet you today?
assistant
I would like to book a flight ticket from Houston to meet my parents after a long time. Could you please make a airline reservation?
user
Sure, please share your airport codes?
assistant
My airport codes are from TX-IAH to DC-IAD.
user
Please share your planned travelling dates?
assistant
My travelling dates are 02/05 and 02/07.
user
I regret that no flights found with the given details. Thank you for opting us.
assistant
Ok, no issues. Thank you for your kind help.
user