You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffrey Clark.

ASSISTANT: How can I help you?

USER: I am planning to book a flight ticket from JFK to DCA, can you please help me out?

ASSISTANT: Your travelling dates please?

USER: My planning dates are Sept 23 and 25.

ASSISTANT: Here is a direct flight with flight number 1008 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done in American airlines. Thank you for choosing us.

USER: Thank you for booking.