You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: I would like to depart on Jan 20th and return on Jan 22nd.

ASSISTANT: May I know your good name please?

USER: I am Paul Taylor.

ASSISTANT: Do you have any other specifications please?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I found a connecting flight of fare 100 with the Southwest airline, shall I proceed with this ticket booking?

USER: Yes, please confirm the booking.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1017.

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

ASSISTANT: You are welcome, have a safe journey.