You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: I am Melissa Jones, can you help me to book a flight ticket to have a round trip in Washington, DC - IAD?

ASSISTANT: Sure, I will help you with that flight ticket booking. Can you please provide your preferable travel dates?

USER: Thank you, my preferable travel dates are 10/22 and 10/24.

ASSISTANT: Please hold for a moment.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with connecting and the ticket price is 100. Shall I proceed?

USER: You may proceed with the booking.

ASSISTANT: Melissa Jones, your ticket is confirmed with the flight number 1012.

USER: Thank you for booking my flight ticket in the flight 1012.

ASSISTANT: Thank you for choosing our agency, have a safe journey.