Hi. I am Paul Smith.
user
Hello, how may I serve you at this moment?
assistant
I want to exhibit my arts in national gallery of art which is situated in Washington DCA. Can you help me to book a connecting flight?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are Mar 02 and 04.
user
Do you have any preferences?
assistant
I want to depart in the evening time and return in the morning time.
user
May I know your source airport code?
assistant
I want to board from Houston, IAH.
user
Sorry, there is no flight available on your travelling dates.
assistant
Ok, no issues. Thanks for your kind service.
user
You are welcome, have a nice day.
assistant