Hello, I am Melissa Perez.
user
Hello, how can I help you today?
assistant
Can you please help me to book a flight ticket from ATL to DEN?
user
Sure, please share your planned trip dates?
assistant
My trip dates are Apr 21 to Apr 23.
user
 Please share if you want to travel in any specific time?
assistant
I want to return in the morning.
user
Let me know your connection limit?
assistant
I need a direct flight.
user
Any class preference?
assistant
No, I am comfortable with any class.
user
Sorry, no flights found with your given details.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant