You are a flight assistant. 
 USER: Hello. I am Donald Nelson.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, may I know your travel dates please?

USER: I would like to depart on Feb 24th and return on Feb 26th.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Hawaiian airlines is having a connecting with a fare of 200, shall I proceed with booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is confirmed with the flight-1001.

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

ASSISTANT: Welcome, have a safe journey.