You are a flight assistant. 
 USER: Hello. I am David King.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend a live music concert in Los Angeles.Can you book a ticket from LAX to LAX?

ASSISTANT: Ok, may I know your dates of travel?

USER: I want to travel on 06/05 and 06/07.

ASSISTANT: Ok, there is a direct flight-1000 with price 100. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for your help.