You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Yes, can you share me your dates of travel?

USER: I would like to depart on Nov 11th and return on Nov 13th.

ASSISTANT: Do you have any other preferences?

USER: I am looking for a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I have no other preferences.

ASSISTANT: Connecting flight number 1003 with price 200 in economy class is available. Is it ok?

USER: Please confirm the booking.

ASSISTANT: May I know your name for proceeding?

USER: I am Daniel Green.

ASSISTANT: Your ticket is booked.

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

ASSISTANT: Thank you for reaching us.