You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Katherine Edwards, planning to visit Washington. Can you please book me a ticket from AUS to DCA?

ASSISTANT: I would like to help you booking your flight ticket. Could you please let me know your travel date?

USER: My preferable journey dates are from 02/15 to 02/17.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Delta airlines with flight number 1007 is available for you with single connection. Do you want me to proceed the booking process?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been confirmed successfully. Have a peaceful journey.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome. Thank you for choosing our services.