You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: I would like to depart on Sept 16th and return on Sept 18th.

ASSISTANT: May I know your name for further process?

USER: I am Emily Thompson.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any another specifications?

USER: I have no other specifications.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time.

ASSISTANT: AA flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Please confirm the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1015.

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

ASSISTANT: You are welcome Emily Thompson.