You are a flight assistant. 
 USER: Hello, I am Brandon Harris.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Statue of Liberty in New York, so could you please book a ticket for me?

ASSISTANT: Ok, please mention your trip dates to go.

USER: Sure, I would like to go on 08/14 and return back on 08/16.

ASSISTANT: Ok, let me know your trip locations.

USER: My source and destination airport codes are 08/14 and return back on 08/16.

ASSISTANT: Ok.

USER: My source and destination airport codes are DCA and LGA.

ASSISTANT: There is a flight-1001 of UA airline, is ii fine for you?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you.

ASSISTANT: Thanks for approaching us.