Hello.
user
Hello, may I know your name please?
assistant
Yes, myself Sandra Taylor.
user
How can I help you?
assistant
I want to book a flight ticket from DEN to DCA.
user
May I know your travelling dates please?
assistant
I want travel in the dates of 12/10 and 12/12.
user
Sorry Sandra, there are no flights available regarding your journey.
assistant
Ok, thank you for your information.
user
Thank you and have a nice day.
assistant