Hello, I am Patrick Williams.
user
Hello, how can I aid you today?
assistant
Can you please book a ticket from ORD to DEN to attend Cultural festival?
user
Sure, we are mirthful to help you. On which dates, would you like me to book a flight ticket for you?
assistant
My travelling dates are Apr 4 and Apr 6.
user
Please let me know if you have any specific depart and return time.
assistant
My depart time is evening.
user
Would you like to travel in an economy class or in a business class?
assistant
I am comfortable with any class.
user
Thanks for your details, please wait.
assistant
Ok.
user
Thank you for waiting, no flights were found based on your given data.
assistant
Ok, Thank you for your service.
user
Thank you for opting us.
assistant