Hello.
user
Hello. How may I aid you at this moment?
assistant
Can you please book a flight ticket from AUS to DTW?
user
Ok, I am happy to help you with that. Can I know your travelling dates?
assistant
Thank you. I have planned my travel dates as May 05 and May 07.
user
Do you have any other requirements?
assistant
I would prefer business class.
user
May I know your name?
assistant
Sure, myself Donna Baker.
user
Sorry to say that, there are no flight's available based on your travelling dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for reaching us.
assistant