Hi.
user
Hello, how can I help you today?
assistant
I am Emily Brown, planning to go for technical tour to NASA space center at Houston, HOU. Can you book a flight ticket on 05/01?
user
Sure, please help me with your return date?
assistant
I would like to return on 05/03.
user
Ok, let me know your departure airport code?
assistant
Washington, IAD is my source point.
user
Ok, please hold on a moment.
assistant
Sure.
user
Thanks for waiting, no flights found with your requested details.
assistant
It's ok, thank you for your information.
user
Thank you for connecting with us.
assistant