You are a flight assistant. 
 USER: Hi, I am Larry Roberts.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me to book a flight ticket from New York, LGA to meet my old friend to start a new business in Washington DC-DCA?

ASSISTANT: Sure, let me know your travelling dates.

USER: I intend to start on 12/21 and my return date will be on 12/23.

ASSISTANT: We found a direct flight with your details. Shall I proceed for booking?

USER: Ok, I'll make a try with the direct flight. You can book the ticket.

ASSISTANT: Your ticket has been confirmed with Hawaiian airlines and price is 200 of 1005 flight.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thank you for choosing us.