You are a flight assistant. 
 USER: Hi. I am Laura Lopez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go for Washington DCA, can you please help me in booking my flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 12/18 to 12/20.

ASSISTANT: Can I know your source airport code please?

USER: My source is AUS.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: You can confirm it.

ASSISTANT: Your ticket is booked, flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.