You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Helen Moore here.

ASSISTANT: How may I help you now?

USER: I want to book a flight reservation on the route from IAD to LAX, can you help me out?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates will be from 03/04 to 03/06.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Please check for 1 connection flight.

ASSISTANT: I have found a connecting flight for your journey having with a fare of 100 provided by AA airlines. Are you ok with this?

USER: Please proceed with booking my reservation.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1013.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us, have a great journey.

USER: Most welcome.