You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: Myself Justin Brown. My friend invited me to attend the Silver Jubilee Celebration of the The New York Times, so I want to book a ticket from Las Angeles, LAX. Can you help me in booking under a fare of 200?

ASSISTANT: Sure, please share me your planned journey dates?

USER: 10/06 and 10/08 are my travel dates.

ASSISTANT: May I know the source point? Please share me the destination point?

USER: Washington DC - IAD is my source point.

ASSISTANT: Please wait for a moment.

USER: LAX is my destination. OK.

ASSISTANT: Thanks for waiting, I found a direct flight of airline Southwest. Shall I proceed with booking?

USER: Please check for connecting flight.

ASSISTANT: Sorry there is no connecting flight.

USER: Ok, thanks for the response.

ASSISTANT: Thank you for reaching us, have a nice day.