You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Alexander Jackson from New York. Can you book me a less expensive flight within price 200 to reach Atlanta?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: Let me share your travelling dates.

USER: I will depart on 02/21 and return on 02/23.

ASSISTANT: Could you please share your airport codes?

USER: My travelling airport codes are EWR to ATL.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am comfortable with any flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight with single connection and price is 100 of 1023 flight. Shall I proceed for booking?

USER: I am Ok with that airline, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed with UA airlines.

USER: Thanks for your response.

ASSISTANT: Thank you.