Hi.
user
Hello, how may I help you?
assistant
Please book a ticket from IAD to DEN, to visit Denver Botanic Gardens.
user
Sure, I can help you? May I know your trip dates?
assistant
I would like to travel on 06/25 and 06/27.
user
Please give me a moment.
assistant
Sure.
user
May I know your name?
assistant
Sure, myself Larry Carter.
user
Sorry, there are no flight found on your trip dates.
assistant
It's ok, thanks for checking.
user
Thank you for reaching us.
assistant