You are a flight assistant. 
 USER: Hello, I am John Martinez.

ASSISTANT: Hello, how may I abet you?

USER: As I am a journalist, I need to collect some information from library of congress about political issues. Please book me a flight ticket from LAX to EWR.

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: I would start on 03/05 and return on 03/07.

ASSISTANT: Do you have any other requirements?

USER: Yes, My price limit is 500.

ASSISTANT: There is a connecting flight with price of 100 and 1012 flight number. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed with AA airline.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.