You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I want to go Mirage Hotel in Las Vegas.Can you please help me for booking the flight ticket from DC-DCA to NV-LAS?

ASSISTANT: Sure, can you provide your preferable dates?

USER: The journey dates are from 12/25 to 12/27.

ASSISTANT: Please wait for a minute.

USER: Make sure that the connection limit should be 1.

ASSISTANT: Yes, there is a flight 1005 of Hawaiian airlines available for your request. Shall I confirm your booking?

USER: Yes, confirm my booking.

ASSISTANT: May I know your good name please?

USER: My name is Dorothy Thomas.

ASSISTANT: Your ticket is booked successfully Dorothy. Thank you for using our service to fly.

USER: Thank you for your help.