You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may 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 SEA to DCA?

ASSISTANT: Sure, can you please share your travel dates?

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

ASSISTANT: Do you have any connection limit?

USER: I am looking for connecting flight.

ASSISTANT: May I know your name please?

USER: I am Debra Lewis.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a economy class ticket.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: There is a flight from Frontier airlines with a ticket fare 300, shall I proceed with booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed with the flight-1025 in economy class.

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

ASSISTANT: Welcome, have a safe trip.