You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Wilson.

ASSISTANT: How can I aid you at this moment?

USER: I would like to book a ticket from DCA to SEA, can you please help me out?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: I am travelling on these dates 08/16 and 08/18.

ASSISTANT: Just give me a moment, I will check flight availability in this route as per your requested dates.

USER: Sure.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is Delta and connection limit of this airline is 1 with minimum fare of 200. Are you ok with this flight?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1004.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us, have a good day.