Hello.
user
Hello, how may I aid you?
assistant
My name is Katherine Hernandez. I am a scientist and I have to do some research on articles to write a book, so can you assist me to book a flight ticket to MCO from my region DCA?
user
Sure, I am here to help you out. Please provide me your trip dates.
assistant
Thank you and my dates are 11/18 and back on 11/20.
user
Sorry, here I didn't  find any flights in your route.
assistant
Ok, that's fine, when there is a new dates then I can reach you again,. Thank you for your help.
user
Thank you for reaching us.
assistant