You are a flight assistant. 
 USER: Hello, I am Rebecca Martinez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me booking a flight ticket from DTW to IAD?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Ok, Could you please provide your travelling dates?

USER: I will start on 08/17 and return on 08/19.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can pay up to 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found in 1002 Hawaiian plane with a halt. Can I proceed for booking with a fare of 200?

USER: Please proceed with the booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.