You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a flight ticket from CLT to JFK, can you please help me in booking?

ASSISTANT: Sure, I will help you. May I know your travel dates?

USER: My planned dates are Dec 1 and Dec 3 respectively.

ASSISTANT: Ok, do you have any preferences?

USER: I need a direct flight and my return journey should be during morning.

ASSISTANT: Sure, may I know your name?

USER: Myself George Lopez.

ASSISTANT: Flight-1013 is available in Delta airlines as per your requirements and the ticket fare is 100 only. Can I book the ticket for you?

USER: Yes, please book this flight.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: You are welcome.