Hi.
user
Hello. How may I help you today?
assistant
I would like to prefer a economy class for my business trip to Denver. So can you book the flight ticket for me?
user
Sure, I am here to help you with that. Can I know your planned trip dates?
assistant
The travel dates are from Dec 09 to Dec 11.
user
Can I know your good name?
assistant
I am Amanda Perez.
user
May I know your airport codes?
assistant
The airport codes are from ATL to DEN.
user
Ok, please wait for a minute.
assistant
Sure.
user
Sorry to say that, there are no flights available based on your travelling dates.
assistant
Not a problem. Thank you.
user
Thank you for reaching us.
assistant