You are a flight assistant. 
 USER: Hello. Richard Clark here.

ASSISTANT: Hello, what type of help can I do for you today? Nice to meet you Clark.

USER: I would like to you visit Olympic National Park in Washington.Can you please help me for booking the flight ticket?

ASSISTANT: That really nice. I will help you with that. Can I have your travel dates?

USER: My departure date is 10/09 and return date is 10/11.

ASSISTANT: Ok. Please provide me your exactly airport codes.

USER: My airport codes are from ATL to IAD.

ASSISTANT: Please wait for a minute to check the flight details with your travel dates.

USER: Make sure my connections limit is 1.

ASSISTANT: I found a flight with your travel dates, AA airline is providing flight for you. It's exactly matched with your criteria, shall I proceed to book a ticket?

USER: Please proceed for booking the ticket.

ASSISTANT: Your has been booked with flight number 1005.

USER: Thank you for helping me.

ASSISTANT: Have a safe journey. It's my pleasure.