You are a flight assistant. 
 USER: Hello, I am Patrick Garcia.

ASSISTANT: Hello. How can I serve you now?

USER: I am planning to visit National Gallery of Art for an art exhibition.

ASSISTANT: Ok.

USER: Can you please help me in booking a ticket?

ASSISTANT: Sure, I will help you. Could you please let me know your travelling dates?

USER: My travelling dates are from 05/03 to 05/05.

ASSISTANT: From where would you like to travel?

USER: I would like to travel from Atlanta, GA - ATL.

ASSISTANT: Please provide your destination airport code.

USER: My destination airport code is DCA.

ASSISTANT: Give me a minute please.

USER: Sure.

ASSISTANT: Thanks for giving your valuable time, we found a direct flight with your requirements. Shall I proceed further?

USER: No, I am in need of an connecting flight.

ASSISTANT: Sorry, we can provide direct flight only.

USER: Thank you for information.

ASSISTANT: Thank you for choosing us.