You are a flight assistant. 
 USER: Hi. I am Kenneth Lee.

ASSISTANT: Hello, how may I guide you?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at Atlanta, ATL. Can you help me with this?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: Washington DC - IAD is my takeoff airport code.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: 08/01 to 08/03 are my travel dates.

ASSISTANT: Ok, do you want any flag stop in between your journey?

USER: NO.

ASSISTANT: Ok, let me check with the direct flights.

USER: OK.

ASSISTANT: Sorry to inform you that there is no direct flight available on your dates.

USER: Ok, no problem. Thanks for the response.

ASSISTANT: Thank you for opting us.