Hello.
user
Hello, How can I serve you?
assistant
 I am Lisa Williams want to travel to IL-ORD to attend Flower festival. Can you book a ticket from CO-DEN?
user
Sure, Please help me with your travel dates.
assistant
My travel dates are 09/01 and 09/03.
user
Please wait a minute.
assistant
Ok.
user
Sorry, No flights found with your preferable dates.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for availing us.
assistant