You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Evans here.

ASSISTANT: How may I assist you?

USER: Could you book my ticket from ATL on 12/07?

ASSISTANT: Sure, where you want to travel?

USER: I would like to travel to MSP.

ASSISTANT: Do you have return journey date to book a ticket?

USER: I want to return on 12/09.

ASSISTANT: I found a flight-1024 with connection 1 and price 100 of Delta airline. Is it fine with you?

USER: Please confirm my ticket.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for assisting me.

ASSISTANT: Welcome, have a good day.