You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Margaret Phillips here. Can you please help me in booking a flight ticket from IAD to LAS?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my travel dates are from 11/22 to 11/24.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Hawaiian airlines. Would you like to book this flight for your journey?

USER: Can you please check for a direct flight?

ASSISTANT: As per your request I have been reserved your ticket with flight-1001, have a safe journey. There is only single connection flight.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: My pleasure.