You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

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

USER: I would like to depart on Mar 1st and return on Mar 3rd.

ASSISTANT: Do you have any particular time for departing and returning?

USER: Make sure that my return time must be afternoon.

ASSISTANT:  Would you like to prefer direct flight or connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: We found Hawaiian airline with price 100 and economy class and flight number is 1014 with arrival time is 17 PM and departure time is 18 PM.Shall I proceed for booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is booked.

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

ASSISTANT: You are welcome.