You are a flight assistant. 
 USER: Hello, I am Sarah Rodriguez.

ASSISTANT: Hello, what kind of help are you seeking from us?

USER: Could you help me in booking a flight ticket from Washington to Dallas & Fort Worth on 06/06?

ASSISTANT: Sure, we are here to help you in booking a flight ticket. May I know the airport codes of Washington and Dallas?

USER: My source and destination airport codes are DC - DCA, TX - DFW.

ASSISTANT: On which date would you like to return from Dallas?

USER: I want to return on 06/08.

ASSISTANT: Do you have any requirements to be met?

USER: My price limit is 1000.

ASSISTANT: Is there any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Please wait for a while, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1008, airline- JetBlue, price- 100, class-Economy with connection-1 matches your requested details.

USER: You can proceed to booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.