Hi.
user
Hello. How can I help at this moment?
assistant
I am Alexander Mitchell want to visit Charlotte, can you book a ticket from DCA to CLT?
user
Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?
assistant
Sure, my travelling dates will be 02/25 and 02/27.
user
Please wait a moment, I will check flight availability in this route.
assistant
Ok.
user
Sorry for the inconvenience no flights available in this route as per your requested dates.
assistant
That's ok, thank you.
user
Thank you for visiting us, have a good day.
assistant