You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Harris.

ASSISTANT: How can I help you Ronald Harris?

USER: Can you please give me a flight ticket booking from DEN to DCA to attend a convocation meeting?

ASSISTANT: Sure, I am happy to help you. Can you please tell me your travel dates?

USER: Thank you and my planned travel dates are 12/17 and return back on 12/19.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Flight 1004 of Hawaiian airlines is available for you with 1 connection.

USER: I am ok with the flight that you have mentioned, please proceed with booking.

ASSISTANT: Harris, your ticket is booked successfully.

USER: Thank you for help in my flight ticket booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.