You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am heading to LAX from DCA to attend an interview. Can you book me a ticket?

ASSISTANT: Ok, please can I know your dates of journey?

USER: I will start on Aug 22nd and come back on Aug 24th.

ASSISTANT: Ok, please can I know your specifications?

USER: I need 1 lay over within my route.

ASSISTANT: Please let me know if you are looking for a specific airlines.

USER: I am fine with any airline.

ASSISTANT: Ok, there is a direct flight at you location and the airfare 100. Can I book a ticket for the Southwest airlines?

USER: Ok fine, please go ahead.

ASSISTANT: Ok, please let me know your name to proceed.

USER: I am Donald Green.

ASSISTANT: The flight ticket is confirmed and the departure time is 7:00 Hours as well as return time is 0:00 Hours.

USER: Thanks for your support.

ASSISTANT: Thank you choosing our agency.