You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you please book me a flight ticket from DCA to ORD?

ASSISTANT: May I know your desired travel dates please?

USER: I am planning to start on Aug 15th and return on Aug 17th.

ASSISTANT: Do you have any specifications?

USER: Yes, I need 1 stop over and my depart time must be in the morning.

ASSISTANT: There is a flight with connection limit 1 and fare 400, shall I proceed for booking?

USER: Fine, please proceed.

ASSISTANT: Your ticket is booked, flight number 1001 with AA airlines.

USER: Thanks for your support.

ASSISTANT: May I know your name please?

USER: I am Rebecca Campbell.

ASSISTANT: Thank you for opting us.