You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to book a flight ticket from LAX to ORD?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are Dec 4 to Dec 6.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a single connection of flight.

ASSISTANT: May I know your good name please?

USER: Joseph Johnson.

ASSISTANT: We found Spirit airline with economy class and flight number is 1004 with arrival time is 20:00 hours and depart time is 6:00 hours.Shall I proceed for booking?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.