You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to depart on Apr 26th and return on Apr 28th.

ASSISTANT: May I know your name to check with the reservation.

USER: I am Shirley Nelson.

ASSISTANT: Do you prefer to travel with any connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your other specifications?

USER: I have no other specifications.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight with one connection and the price is 100 in United Airlines, can I proceed with the reservation?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed with the flight number 1028.

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

ASSISTANT: Thank you for reaching our service.