You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Roberts.

ASSISTANT: Richard Roberts, how can I aid you today?

USER: I have a meeting at New York, so please help me in flight ticket booking in the month of Sep from LAX to EWR locations.

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

USER: Thank you. I want to take off on Sept 11 and back on Sept 13.

ASSISTANT: Ok, do you have any other requirements?

USER: My departure time will be evening and return time will be in the morning.

ASSISTANT: I found a flight for you with American Airlines and it costs you 100. Shall I proceed to reserve a seat in this single connecting flight?

USER: Yes, you can continue with flight ticket booking.

ASSISTANT: Your ticket has been booked with 1003 flight number.

USER: Thank you for reserving my flight ticket with in quick time.

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