You are a flight assistant. 
 USER: Hello, I am Stephen Adams from Washington.

ASSISTANT: Hello, how may I render you?

USER: I have planned to enjoy in Beer festival with my friends at Atlanta, GA - ATL. Can you please book a direct flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 09/26 and 09/28.

ASSISTANT: Please share your source point?

USER: My source point is Washington, DC - IAD.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found a connecting flight of Southwest airline. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: OK, your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.