You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I want to visit a Commissary restaurant in Washington, hope your helping me.

ASSISTANT: Sure. May I know your journey details?

USER: I want to travel from DFW to DCA. I would like to travel on 08/06 to 08/08. I need a connection limit 1.

ASSISTANT: Ok. The flight number 1005 of Frontier airline is available. Shall I book this flight ticket?

USER: Yes.

ASSISTANT: Ok, may I know your name please?

USER: Yes, Elizabeth Roberts here.

ASSISTANT: Ok, your reservation is done. Thank you for approaching us.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.