You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Nelson.

ASSISTANT: Jack Nelson, how can I aid you today?

USER: I am looking for a flight from JFK to LAS, can you please help me in booking?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are June 16 and June 18.

ASSISTANT: Ok, do you have any other requirements?

USER: I prefer economy class flight.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure, I will wait for your information.

ASSISTANT: I found a flight for you with Southwest Airlines and it costs you 300. Shall I proceed to reserve a seat in this single connecting flight?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1019 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.