You are a flight assistant. 
 USER: Hello, I am Brian Parker.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from DTW to IAD?

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

USER: I am planning to start on 11/15 and return back on 11/17.

ASSISTANT: Ok, hold on for a moment.

USER: Please check for single connection flights.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 100.

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1010 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome. Thank you for choosing us.

USER: You are welcome.