You are a flight assistant. 
 USER: Hello. I am Jennifer Allen.

ASSISTANT: Hello, how can I assist you for today Jennifer Allen?

USER: I have a plan to celebrate the nature festival in IAD, can you please help me in booking a flight ticket from LAS?

ASSISTANT: I am here to help you with that Jennifer Allen. Can you please provide your planned dates of journey?

USER: My planned dates are Sept 21st and Sept 23rd.

ASSISTANT: Do have any other requirements about your journey?

USER: I need a connecting flight.

ASSISTANT: I have found a flight with a connecting flight having a ticket fare of 100 and departure in the evening in an economy class. Shall I proceed with the booking?

USER: You can proceed.

ASSISTANT: I have booked your flight ticket with the flight 1012 which is provided by Spirit airlines and you will have your arrival on Sep 23 in the afternoon.

USER: Thank you for your service.

ASSISTANT: You are welcome, thank you for reaching us. Have a safe journey.