Hello.
user
Hello, how may I aid you today from my end?
assistant
Please help me to book a flight ticket with single connection  from Charlotte to attend my sister's engagement in Washington.
user
Sure, I am her to help you out. Please provide me your trip dates.
assistant
I need to depart on Mar 13th and my return date will be on Mar 15th.
user
May I know your location airport codes?
assistant
My boarding and landing airport codes are CLT and DCA.
user
Do you have any class limit?
assistant
No, I don't have any other prefernces.
user
May I know your name to proceed further?
assistant
I am Nichole Wright.
user
Sorry  Nichole Wright, there is no flight in your route.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us.
assistant