You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Please book a flight ticket from DCA to IAH?

ASSISTANT: Can you please share me your travelling dates?

USER: Sure, my journey dates are Sept 15 and Sept 17.

ASSISTANT: May I know your good name?

USER: I am Janet Green.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Frontier Airlines providing connecting flight in the economy class with fare 100, shall I proceed for booking?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.