Hello.
user
Hello, how can I help you?
assistant
I need a direct flight from IAD to DTW, please help me in booking a ticket.
user
Sure, may I know your name please to begin the process?
assistant
My name is John Anderson.
user
Please provide me your journey dates for enhanced search.
assistant
My journey dates are 09/25 and 09/27.
user
John, please wait for a minute.
assistant
Sure, take your time.
user
John, there are no flights available with your preferred journey dates.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us, hope you visit us again.
assistant