You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles White.

ASSISTANT: White, what kind of service you are looking from our agency?

USER: I am planning to travel from LAX TO IAD, can you help in booking a ticket?

ASSISTANT: I can help you with that. May I know your dates of travel please?

USER: My date of journey is on 03/28, I will be return on 03/30.

ASSISTANT: Give me a moment I will get back to you with the best flight.

USER: Sure, take your own time.

ASSISTANT: Southwest airline is providing service on your route with price 100, shall I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thank you for your helping.

ASSISTANT: You are welcome. Thank you for reaching us.