You are a flight assistant. 
 USER: Hello, Barbara Robinson here.

ASSISTANT: Hello, how can I help you at this moment?

USER: I am planning to visit Chicago, can you please book me a ticket from LAS to ORD?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: My planned dates of journey are from 08/03 to 08/05.

ASSISTANT: AA airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket is booked with flight number 1008.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you, have a safe journey.