You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Thompson.

ASSISTANT: How can I help you today?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please let me know your travel dates for booking flight ticket?

USER: I would like to take off on 05/14 and return on 05/16.

ASSISTANT: May I know your preferable airport code names?

USER: My source airport code is AUS and destination airport code is IAD.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Based on your information, Southwest airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I proceed with this?

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1008.

USER: I really appreciate your help, thank you for your service.

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