Hello. I am Katherine Nelson.
user
Hello, how can I aid you?
assistant
I want to book a ticket from DCA to DEN to attend seminar, can you help me in booking?
user
Sure, can you share your journey dates?
assistant
I am departing on 10/05 and return on 10/07.
user
Give me a minute.
assistant
Sure, take your time.
user
Sorry, there is no flight on your given dates.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant