You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Help me in booking a flight ticket from LAS to DCA.

ASSISTANT: Please provide your trip dates.

USER: I planned to travel in between Feb 11 to Feb 13.

ASSISTANT: Do you need any connection limit?

USER: Connected flight is required.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Alexander Allen.

ASSISTANT: There is a connecting flight in economy class with Hawaiian Airlines and ticket fare of 100. Shall I proceed?

USER: Sure, proceed to book it.

ASSISTANT: Your ticket is confirmed in flight 1027.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing us.