Hello.
user
Hello. How may I help you?
assistant
I would like to visit National Zoological Park at Washington with my friend, please book a ticket from ATL to DCA.
user
Sure, please help me by giving your trip dates.
assistant
Sure, my trip dates are 03/23 and 03/25.
user
Ok, let me know your name.
assistant
My name is Deborah Edwards.
user
According to your preferences, there is no flight for you.
assistant
Ok, no problem. Thank you for your information.
user
Welcome Deborah Edwards.
assistant