Hi. I am Joseph Green.
user
Hello, how can I help you?
assistant
I am planning to conduct a cultural event in my college at Washington, IAD. Reserve me a flight ticket on 12/06.
user
Sure, May I know when will you return your journey?
assistant
12/08 is my arrival date.
user
Help me with your source airport code.
assistant
My take off airport code is Houston, IAH.
user
Please, wait for a moment.
assistant
Sure.
user
Thank you for waiting.
assistant
Ok.
user
Unfortunately, there were no flights available with your requirements.
assistant
No problem, thank you for the information.
user
Thank you for contacting us.
assistant