Hello, I am Deborah Campbell.
user
Hello, how can I best assist you today?
assistant
 I have planned for a round trip from CO-DEN to CO-DEN to speed time with my friend, help me in booking my flight ticket.
user
Sure, may I know your schedule dates?
assistant
My travelling days are from 06/15 to 06/17.
user
Is there any price limit?
assistant
I want a price limit 500.
user
Sorry there is no flights found on your journey dates.
assistant
Its ok, thank you for your information.
user
Thanks for communicating us.
assistant