Hi,. I am Charles Edwards.
user
Hello, how can I assist you?
assistant
I want to book my flight ticket from Washington, DCA to visit National   Zoological park. Will you help me in booking me a flight ticket from Charlotte, CLT?
user
Sure, please share me your travelling dates?
assistant
09/25 - 09/27 are my travel dates.
user
Thanks for your details.
assistant
Ok.
user
We found 1000 UA airline with single connection and price of 100.
assistant
Proceed with my booking.
user
Your ticket has been booked.
assistant
Thank you.
user
Thank you for reaching us.
assistant