You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from AUS to visit Olympic National Park in DCA, can you please help me in booking?

ASSISTANT: Sure, when are you willing to travel?

USER: Sure, I intend to start on 08/16 and the return date will be on 08/18.

ASSISTANT: May I know your good name please?

USER: I am Jason Nelson.

ASSISTANT: Do you have any preferences for this trip?

USER: I need a connecting flight.

ASSISTANT: We found a flight in an airline American with 1015 number having a single connection in an economy class. Shall I proceed to book?

USER: That's fine, please proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for opting us.