Hi.
user
Hello. How may I assist you?
assistant
Myself Catherine Taylor. Could you please help me to book a flight ticket to DEN from DCA?
user
Yes, I will help you. Let me know your preferable dates?
assistant
My trip dates are 07/24 to 07/26.
user
Thank you for your information. Sorry, there is no flight as per your dates. Sorry for inconvenience.
assistant
Ok. No problem. Thank you.
user
Thank you for contacting us, have a nice day.
assistant