Hello. I am Kenneth Clark.
user
Hello, how may I help you  today?
assistant
I need to book a direct flight because it is an emergency in my family. Could you please help me in booking a ticket  with fare of 1000?
user
Sure, we are glad to help you. Can you  please help me with providing your journey points?
assistant
My journey points are DEN and IAD.
user
When would you like to  travel?
assistant
My travelling dates are 07/27 and return on 07/29.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry we did not find any flight matching your specifications.
assistant
No problem, thank you for your information.
user
Thank you for reaching us.
assistant