Hello.
user
Hello, how may I aid you?
assistant
I am Cynthia Jones. Can you please book a ticket from IAH to DCA?
user
Sure, I will help you. May I know your travel dates?
assistant
My journey dates are Nov 18 and Nov 20.
user
Ok, please wait. Let me check for the available flights.
assistant
Ok.
user
Sorry, there is no flight available on your given travel dates.
assistant
Ok, no worries. Thank you.
user
You are welcome and thank you for choosing us.
assistant