You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brandon Anderson. I am planning to book a ticket from DTW to DCA. Can you please help me out?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: These are my preferable travelling dates 02/09 and return back on 02/11.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connecting flight.

USER: That's fine. You can proceed the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.