You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Matthew Thomas.

ASSISTANT: OK.

USER: I am planning to meet my friend at Washington, IAD. Can you please book a ticket from Los Angeles, LAX?

ASSISTANT: Sure, I can help you in booking.

USER: Thank you.

ASSISTANT: May I know your affordable price range?

USER: Price limit is 1000.

ASSISTANT: Ok, please mention your travel dates?

USER: Journey dates are 07/21 to 07/23.

ASSISTANT: 1016 flight in Southwest airline is available with a fare of 100 on your route. Are you ok with this?

USER: You can proceed.

ASSISTANT: Sure, your booking has been processed.

USER: Thank you.

ASSISTANT: Thanks a lot for availing our services.