You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to visit my uncle home in Washington, can you help me?

ASSISTANT: Sure, may I know your dates of trip please?

USER: My travel dates are 10/03 and 10/05.

ASSISTANT: Ok, can you please share me with your source and destination airports codes?

USER: My airport codes are from ORD to DCA.

ASSISTANT: Ok, please wait for a mean while.

USER: Ok.

ASSISTANT: May I know your name please?

USER: I am Barbara Martin.

ASSISTANT: Ok, I found a flight with connections limit is 1 of cost 100, shall I book this ticket?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed with the airline Southwest and number is 1018.

USER: Thank you for booking.

ASSISTANT: You are welcome and hope you a safe journey.