Hello,. My name is James Roberts.
user
Hello, What Can I do for you?
assistant
I want to travel to Washington, DC - IAD from Houston, TX - HOU.
user
Sure, please provide me your journey days?
assistant
From Jan 5 to Jan 7.
user
OK, please wait I  will check and let you know the availability.
assistant
Sure.
user
Thank you for waiting. Sorry, they were no flights available on your specified dates.
assistant
OK, Thank you for your information.
user
Thank for contacting us, have a great day.
assistant