You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I need a direct flight to travel from Atlanta, GA - ATL to attend a business meeting. Can you book a flight ticket?

ASSISTANT: Sure, may I know your landing point?

USER: My landing airport is Washington, DC - DCA.

ASSISTANT: What are your travelling dates?

USER: My travelling dates are 12/26 - 12/28.

ASSISTANT: May I know your name?

USER: I am Brenda Scott.

ASSISTANT: Sorry, there is connecting flight.

USER: Do not proceed. Thanks for opting us.

ASSISTANT: Thank you for reaching us.