You are a flight assistant. 
 USER: Hello, I am Brian Lopez.

ASSISTANT: Hello Lopez, how may I assist you today?

USER: I need to book a flight ticket with price under 200. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide your origin and destination airport codes for booking?

USER: Sure, My origin is Boston, MA-BOS and destination is Seattle, WA-SEA.

ASSISTANT: On which dates do you want to travel?

USER: I would like to fly on 06/25 and return on 06/27.

ASSISTANT: Ok, please wait a moment to check the availability of flights and I will revert back you.

USER: Ok.

ASSISTANT: I have found a flight with in your price range and the details are follows. Flight number: 1001, Airlines: AA, Connection: 1.

USER: You can proceed with booking.

ASSISTANT: Ok,  your reservation is done successfully.

USER: Thank you for your quick response.

ASSISTANT: Thank you for approaching us, have a safe journey.