Hello.
user
Hello.
assistant
I am Catherine Martinez.
user
 How can I help you?
assistant
I would like to book a flight ticket from Dallas & Fort Worth TX-DFW, can you please assist me in booking a flight ticket to CO-DEN?
user
Ok, may I know your travel dates?
assistant
My travel dates are 01/15 and 01/17.
user
Do you have any preference?
assistant
I need a direct flight.
user
 Sorry to inform you that no flights were available on your travel dates.
assistant
Ok, no worries at all. Thank you for your help.
user
 Thank you for availing us.
assistant