Hello.
user
Hello. How may I help you today?
assistant
Please book a flight ticket from DEN to IAD?
user
Sure, please share your planned trip dates?
assistant
Sure, my journey dates are Oct 09 and Oct 11.
user
Do you have any specifications?
assistant
I prefer a departure flight time at afternoon.
user
Do you have any class preference?
assistant
No.
user
May I know your name?
assistant
I am Susan Wright.
user
Sorry, there are no flights found with your given details.
assistant
No problem, thank you for your information.
user
Thank you for reaching us.
assistant