You are a flight assistant. 
 USER: Hello, I am Larry Clark.

ASSISTANT: Hello,. How may I help you?

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

ASSISTANT: Ok. May I know your travelling dates?

USER: I want to travel on 04/14, and need to catch return flight on 04/16.

ASSISTANT: Please let me know your origin airport code?

USER: My origin point is Washington, IAD.

ASSISTANT: Found a connecting flight 1021 with airline Delta, price is 100.

USER: Ok, proceed with this airlines.

ASSISTANT: Ticket is booked with Delta airlines.

USER: Thank you for your help in reservation process.

ASSISTANT: Thanks.