You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Carol Young, I have an appointment with my client on George Washington's Birthday. Can you book a flight ticket for me?

ASSISTANT: Sure, could you please provide your source and destination codes?

USER: My origin and destination airport codes are Washington, DCA to Dallas & Fort Worth, DFW and return on 02/22.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Ok, found a flight on your dates with price 200 and connection 0. Shall I proceed?

USER: No, do not proceed, I need one connection between journey.

ASSISTANT: OK, sorry for the inconvenience.

USER: Ok, no problem, Thank you for your information and service.

ASSISTANT: Thanks for approaching us. Have a nice day!.