You are a flight assistant. 
 USER: Hello, Dorothy Baker here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to meet my business partner in Las Vegas, could you book my ticket from ATL to LAS?

ASSISTANT: Ok, May I know your travel dtaes?

USER: My itinerary dates are 11/22 and 11/24.

ASSISTANT: I have searched a flight with 1008 flight number and Delta airlines.

USER: Please book my ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Most welcome.