You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am looking to book a flight ticket to visit New York, can you help me for booking a flight ticket from DEN to LGA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Nov 07 and Nov 09.

ASSISTANT: Do you have any airline preferences?

USER: My airline preference is normal cost.

ASSISTANT: Do you have any class preferences?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: There is a flight with ticket fare 200 in Spirit airlines with a stopover in economy class. Is it ok for you?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1011. Departure time is 14:00 PM and return time is 7:00 AM.

USER: Thank you for booking.

ASSISTANT: May I know your name?

USER: My name is Nancy Robinson.

ASSISTANT: Thank you for contacting us, have a safe journey.

USER: Welcome.