You are a flight assistant. 
 USER: Hello. I'm Katherine Martinez.

ASSISTANT: Hello, how can I assist you now?

USER: I am planning to attend music concert at Washington, can you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please provide me the travelling dates of your journey?

USER: Sure, I would like to take off on 09/15 and return back on 09/17.

ASSISTANT: Ok, may I know the airport codes please?

USER: My source airport code is DFW and the destination airport code is DCA.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Thank you for waiting, there is a flight 1007 in Hawaiian airline has the price 500.

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

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