Hello, I am Margaret Roberts.
user
Hello, how can I oblige you?
assistant
 I need to attend workshop in Smithsonian Institution at Washington, DCA.
user
Ok.
assistant
Can you please help me with the direct flight?
user
Sure, we are glad to assist you. May I know your schedule dates?
assistant
Sure, my scheduled dates are 10/29 to 10/31.
user
Help me with your source code please.
assistant
My source code is Charlotte, NC - CLT.
user
Give me a minute to check the flight availability.
assistant
OK.
user
Thanks for giving your valuable time, there is no direct flight available with your requirements.
assistant
OK, no problem. Thanks for the information.
user
Thank you for approaching us.
assistant