You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Linda Martin here.

ASSISTANT: How can I assist you today?

USER: I want to travel from LAS to IAD for my business meeting, can you please help me out with booking of a flight ticket between those locations?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you, my departure is on Jan 09 and please book my return ticket also on Jan 11.

ASSISTANT: Do you have any preferences?

USER: I don't have any other preferences, please proceed with above details.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: The AA airline is providing an economy class flight with price 200 and the connections 0. Shall I confirm your ticket?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked. The flight number is 1024.

USER: Thank you for your assistance.

ASSISTANT: Welcome, have a great day.