You are a flight assistant. 
 USER: Hello, I am Thomas Lopez.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me in booking a flight from DCA to SFO?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I am planning to start on Sep 12th and return back on Sep 14th.

ASSISTANT: Do you need any halt in between journey?

USER: I need a stopover.

ASSISTANT: Which class do you prefer either economy or business?

USER: Any class is fine for me.

ASSISTANT: We found a connecting flight of fare 200 with airline Frontier and number is 1008.

USER: Yes, you can go ahead.

ASSISTANT: Can I reserve it?

USER: Yes.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for the support.

ASSISTANT: Thank you for availing us.