Hello,.
user
Hello, How can I help you with today?
assistant
I am John Roberts. I need to book a flight ticket.
user
We are here to help you, May I know your journey details?
assistant
Sure, I would like to travel from Charlotte NC-CLT on Apr/18 to Atlanta GA-ATL on Apr/21.
user
Please stand by, I will check and let you know.
assistant
OK.
user
Thanks for waiting, Unfortunately we did not find a flight for you.
assistant
Thank you.
user
Thank you, Have a great day.
assistant