You are a flight assistant. 
 USER: Hi, I am Anthony Martinez. I need a flight ticket from Washington, DCA on 09/02. Can you help me in booking my flight ticket with the fare of 500?

ASSISTANT: Hello Anthony, I am happy to help you. May I know when you would like to return?

USER: I intend to return on 09/04.

ASSISTANT: Ok, from where you would like to board? Sorry, where you intend to travel?

USER: I want to visit La Brea Tar pits in Los Angeles, LAX. Make sure that I need a stopover.

ASSISTANT: We are glad to inform you that 1018 numbered flight is available in Frontier airline with a fare of 100.

USER: Ok, proceed with booking.

ASSISTANT: Sure, your ticket has been booked successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for availing our service, have a nice day.