You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Frank Thompson here, need to book a flight ticket to DTW from DCA. Can you please help me with it?

ASSISTANT: Sure, can you help me with your travelling dates?

USER: My travelling dates will be on 12/19 to 12/21.

ASSISTANT: Ok, any other specifications?

USER: I need connecting flight with the price 500.

ASSISTANT: Ok, flight- 1007, airline- Hawaiian, price- 100 with connection matches with your requested details. Shall I proceed?

USER: Yes, you can proceed to booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.