You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am John Phillips planning to visit Los Angeles on my vacation, can you book a ticket with price below 200?

ASSISTANT: Sure. May I know the journey dates?

USER: Sure, my travel dates are 05/27 and 05/29.

ASSISTANT: OK, let me  know your source and destination airport codes to proceed with booking.

USER: Sure, I would like to have my journey from LGA to LAX.

ASSISTANT: Give me a minute, I will check and revert you with the best results.

USER: Ok.

ASSISTANT: Thanks for giving your time, JetBlue airline flight with number: 1019 and one connection was available that matching your essentials. May I book this ticket?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket was confirmed. Thanks for choosing us.

USER: Thank you.