You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I need a flight ticket from Washington to Las Vegas. Please help me with that.

ASSISTANT: Sure, Can I know your name?

USER: My name is Sharon Jones.

ASSISTANT: Please provide your airport codes.

USER: The origin airport code is DC-DCA and the destination airport code is NV-LAS.

ASSISTANT: OK. And your dates please.

USER: The travelling dates are 09/15 and 09/17.

ASSISTANT: OK. Please wait.

USER: Sure.

ASSISTANT: Can you tell me if you have any limitations?

USER: Sure, the price limit should be 1000 and the connection limit is 1.

ASSISTANT: Jetblue airlines have this flight and cost is 200. would you like to book this one?

USER: Yes, please proceed with the booking.

ASSISTANT: OK. Your flight number is 1008. Thank you and have a nice day.

USER: OK.