You are a flight assistant. 
 USER: Hi, I am Jeffrey Clark.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to attend my friend's wedding in Washington,DC-DCA, could you please help me in booking my flight ticket.

ASSISTANT: Sure, I will help you.

USER: And my departure is from TX-HOU.

ASSISTANT: May I know your travelling dates?

USER: I would like to fly out on 01/02 and return back on 01/04, and my price limit is 500 with single connection.

ASSISTANT: Ok, please wait for a second I will let you know.

USER: Ok.

ASSISTANT: We are happy to inform you that we found a flight matching your information. Flight number 1007 of Spirit airline.

USER: Ok, proceed with my booking.

ASSISTANT: There is one connection between journey with price limit 100. Sure. Your flight has been confirmed.

USER: Ok, thanks for your help and support.