You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, could you please tell us for what help you approached us?

USER: Could you please book a flight ticket from LAS to DCA?

ASSISTANT:  Sure, may I know your departure and arrival day?

USER: I want to travel on Sept 09 and return on Sept 11.

ASSISTANT: Ok, could I have your name please?

USER: My name is Stephanie Carter.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1000 of Spirit airline is available having fare as 300 and connection as 1, is it ok for you?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 6:00 hours and the arrival time is 7:00 hours.

USER: Thank you.

ASSISTANT:   You are welcome, have a great day.