Hi.
user
Hello. How may I help you today?
assistant
I am Sharon Jones, can you help me to book a flight from DEN to IAD?
user
I am here to help you, please mention your travelling dates to get a flight for you.
assistant
My travelling dates are 09/02 and 09/04.
user
Wait a moment let me check.
assistant
Ok.
user
Sorry to inform you, there is no flight running on your route.
assistant
NO issues, thank you for your response.
user
Thanks for choosing us, have a good day.
assistant