You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mary Martinez.

ASSISTANT: How may I aid you today?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at Atlanta, ATL.

ASSISTANT: Sure, please share your source airport code?

USER: I will start my journey from IAD.

ASSISTANT: OK, help me with your travelling dates?

USER: I will go on 03/16 and return back on 03/18.

ASSISTANT: Please wait for few minutes.

USER: Ok.

ASSISTANT: We found a AA airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for reaching us.