Hi. I am Helen Carter.
user
Hello, how may I help you?
assistant
Can you book a flight with fare 200? I want to fly from DCA to AUS as I need to attend my parents anniversary.
user
Sure, may I know your travelling dates?
assistant
My preferable dates are 05/13 to 05/15.
user
Sorry Carter, no flight's available on your request.
assistant
No issue. Thank you.
user
Thank you for reaching us.
assistant