Hello,.
user
Hello, how can I help you today?
assistant
I am Amy Roberts, could you help me in booking my flight ticket?
user
Sure, can you please provide me your journey details?
assistant
My origin  airport  is CO-DEN and destination airport is DC-DCA. My travelling dates are  from Feb 9 to Feb 11.
user
OK. Please wait while I check and revert you.
assistant
Sure,I will be waiting.
user
Thanks for your time. Unfortunately there is no flight found with your request.
assistant
Its OK, thank you for informing.
user
Thank you for choosing us and have a great day.
assistant