You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

USER: I have a doctor appointment, can you please book a ticket from DCA to IAD?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 4th and 6th of March.

ASSISTANT: Do you have any other requirements?

USER: I prefer single connected flight.

ASSISTANT: May I know your name?

USER: My name is Dorothy Walker.

ASSISTANT: Can I know your depart and return timings?

USER: I don't have any other specifications.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: The Frontier airlines are providing a flight having a connection limit 1 and the ticket fare of 200. Can I proceed with the ticket confirmation?

USER: That's ok for me, you can proceed for booking.

ASSISTANT: Your flight ticket is confirmed in an economy class and the flight number 1008.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us. Have a safe journey.