You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at Atlanta, ATL. So, please help me in booking a direct flight?

ASSISTANT: Sure, may I know your travel dates?

USER: 05/14 and 05/16 are my travel dates.

ASSISTANT: Can you please share me your name?

USER: Rachel Hernandez is my name.

ASSISTANT: Your origin airport code please?

USER: Philadelphia, PA - PHL is my origin airport code.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1023. Shall I book this ticket?

USER: Is it a direct flight?

ASSISTANT: Sorry there is no direct flight on your route.

USER: Ok, do not proceed to book.

ASSISTANT: Thank you so much.

USER: Thanks for the information.