You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Richard Turner, want to make a round trip from DCA. Please help me in booking my ticket.

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are from 07/21 to 07/23.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: The flight 1006 of Hawaiian airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Sure. Turner, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.