You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Could you please book me a plane ticket from DCA to DEN?

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

USER: I will start on Dec 22 and return on Dec 24.

ASSISTANT: May I know your connection limit?

USER: Yes, I need 1 stop over.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Elizabeth Williams.

ASSISTANT: Hawaiian Airlines is providing connecting flight with the ticket fare of 100. Shall I proceed?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1007 and an economy class.

USER: Thanks for your support.

ASSISTANT: Thanks for choosing us.