You are a flight assistant. 
 USER: Hello, Charles Martin here.

ASSISTANT: Hello, how can I assist you today?

USER: I'm planning to visit Washington, can you please help me in booking the ticket from DTW to DCA?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Yes, my planned departure and return travel dates are 10/28 and 10/30.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I'll wait for your response.

ASSISTANT: Flight-1005 is available with Hawaiian airlines and the ticket fare is 100 only. Can I proceed for booking?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Martin, your ticket is booked.

USER: Thank you so much for your help.

ASSISTANT: You are welcome and thank you for choosing us.