Hello. My name is John Miller.
user
Hello, how can I help you today?
assistant
I am planning to travel from DEN to ORD to attend my sister's wedding, could you please help me with booking a flight ticket?
user
Sure, may I know your travelling dates?
assistant
I would like to take off on 08/09 and return on 08/11. I want a direct flight.
user
Sorry, there is no direct flight.
assistant
That's really sad. Anyways, thank you for the information.
user
You are welcome. Have a great day.
assistant