Hello. I'm James Phillips.
user
Hello. How can I help you today?
assistant
I want to meet my friend in Austin.Can you book a ticket from DCA to AUS?
user
Sure, may I know your preferable travel dates?
assistant
The departure is on 07/14 and return is on 07/16.
user
Please allow me a moment to check for the availability of flight. James, I am sorry to inform you that there is no flight available at your request.
assistant
Sure. That's really sad. Anyways, thank you for your help.
user
You are welcome. Thank you for contacting us.
assistant