You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight from IAD to LAS. Can you please help me with the booking?

ASSISTANT: Sure, let me know your trip dates please?

USER: Sure, I want to travel on Mar 18 and need to return on Mar 20.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Kevin Scott.

ASSISTANT: JetBlue Airlines is providing direct flight with the ticket fare of 100 and depart time is 8:00 hours, arrival time is 20:00 hours. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1016 and an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.