You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I am planning to visit Washington city, can you please book me a ticket with 1 connection limit flight?

ASSISTANT: Sure, may I know your planned dates please?

USER: My preferable journey dates are from 11/25 to 11/27.

ASSISTANT: Can you please share your source and destination airport codes please?

USER: My nearest origin airport code is DFW and nearest destination airport code is DCA.

ASSISTANT: There is a flight available on your requested dates from Hawaiian airlines with 1 connecting flight.

USER: Please book the ticket with my name Kevin Hall.

ASSISTANT: Your ticket is booked with flight 1027.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.