You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Marry Hill.

ASSISTANT: How can I guide you at this moment?

USER: I need to book a flight ticket from ATL to ORD, can you please help me for booking?

ASSISTANT: Sure, I am here to help you. Could you please provide your journey dates to proceed further?

USER: I would like to travel on 04/23 to return on 04/25.

ASSISTANT: UA airlines is providing service on this route with a ticket fare of 100, shall I book your ticket?

USER: Ok, proceed for booking.

ASSISTANT: Marry Hill, your ticket is booked in flight number 1028.

USER: Thanks for your information.

ASSISTANT: Thank you and have a safe journey.