Hello.
user
Hello, how may I help you?
assistant
I am looking for a flight from JFK to DEN, can you please help me in booking?
user
Sure, can I know your travelling dates?
assistant
I will start my journey on Apr 27 and return back on Apr 29.
user
On which name should I reserve the flight ticket?
assistant
Myself Kathleen Perez.
user
Do you have any other specifications?
assistant
I prefer business class.
user
Sorry, there are no flights found on given dates.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant