You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Gregory Baker. I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket?

ASSISTANT: Sure, please share your travel dates.

USER: I would like to take off on 12/14 and return on 12/16.

ASSISTANT: Can I know your airport codes?

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

ASSISTANT: The flight 1003 of Hawaiian airlines is available on your requested dates with a price of 100 and with 2 connections. Shall I proceed?

USER: But I am looking for a flight with connection 1.

ASSISTANT: The flight 1004 is available on your request with a price of 100.

USER: Please confirm the booking.

ASSISTANT: Baker, your reservation has been done successfully.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome.