You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Helen Nelson. I want to book a flight ticket from LAS to DCA. Can you make a reservation for me?

ASSISTANT: Sure, may I know your depart and return dates?

USER: Ok, my planned trip dates are on 06/25 and return on 06/27.

ASSISTANT: May I know your price limit?

USER: Yes, my price limit is 200.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I want a single connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a direct flight, flight number: 1003, price: 100, airline: Frontier. Shall I proceed to booking?

USER: Yes, proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.