You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Melissa Martinez here. Can you book me a ticket from AUS to IAD?

ASSISTANT: Can I know your travel dates?

USER: Ok, here are my preferred travel dates 07/05 and 07/07.

ASSISTANT: The flight 1007 of Hawaiian airlines is available on your requested dates with a price of 200. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Martinez, your ticket is booked successfully.

USER: Thank you for the help.

ASSISTANT: You are welcome.