You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to book a flight ticket from New York LAG to New York EWR. Can you find a flight ticket for me?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you. My planned journey dates are on Sept 21 and return on Sept 23.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: Yes, I want to return in the evening time.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Can I have your good name please?

USER: Ok, my name is Jessica Smith.

ASSISTANT: Spirit airlines running a flight in your route with connection 1 and the ticket fare is 200 in economy class. Shall I proceed with booking?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1015.

USER: Thank you for your great service.

ASSISTANT: Thank you for choosing us, have a great journey.

USER: You are welcome.