Hello.
Hello. How can I help you?
I am Laura Thomas. I am planning to attend a meeting in Detroit, can you please book a ticket for me?
Sure, may I know your travelling dates?
I would like to travel on 03/08 and 03/10.
Ok, can I know your exact airport codes please.
My airport codes are ORD to DTW.
Ok, wait  for a moment.
Sure.
Sorry Laura, there are no flight's available based on your preferable dates.
That's fine.
Thank you for approaching us.