Hi.
user
Hello, how may I assist you?
assistant
I am Ronald Moore. I need to book a ticket to attend a science cultural fest  in my school, Could you please help me in doing that?
user
Sure, may I know your travelling dates, please?
assistant
Sure, my travelling dates are 08/09 and return on 08/11.
user
Let me know your airport codes, please?
assistant
Sure , my airport codes are LAS to DCA.
user
Please wait a moment, I will check and get back to you.
assistant
Make sure that the price should be below 1000. Sure.
user
Thanks for waiting, unfortunately there is no flight on your details.
assistant
Ok, no problem.
user
Thanks for choosing us.
assistant
Thank you for your service.
user
Have a good day.
assistant