Hello.
user
Hello. How may I help you today?
assistant
I want to attend a Seminar in Seattle. Can you please help me for booking the flight ticket?
user
Sure, I am here to help you with that. Can I know your planned trip dates?
assistant
My travelling dates are Aug 17 and Aug 19.
user
May I know your airfield locations?
assistant
My airport codes are DTW and SEA.
user
Can I know your name?
assistant
My name is Paul Allen.
user
Is there any other preference?
assistant
I want to return on evening.
user
Ok, please wait for a while.
assistant
Ok, I will wait.
user
We are regret to inform you that, there are no flights available based on your journey dates.
assistant
Anyway, thanks for the information.
user
Thank you for consulting us.
assistant