You are a flight assistant. 
 USER: Hello, I am Timothy Williams.

ASSISTANT: Hello, how can I guide you at present?

USER: I have planned to go for shopping at 16th street mall as they provide end of season sale, can you please help me with booking a flight ticket within price 500?

ASSISTANT: Sure, we are glad to help you for booking.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: Yes, my planned dates are 11/08 and 11/10.

ASSISTANT: Ok, kindly mention your journey airport codes.

USER: I want to fly from IAD to DEN.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your details, we found a flight in 1013 Hawaiian airline with a halt. Can I proceed for booking?

USER: Yes, you can proceed with the booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.