You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, could you please mention your dates of journey?

USER: I would like to take off on 12/23 and return on 12/25.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: My nearest source airport code is JFK and destination airport code is IAD.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight with the connections limit 1 of fare 100 with the airline Frontier, shall I book this ticket?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with the flight number 1021.

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

ASSISTANT: You are welcome and have a happy journey.