Hello.
user
Hello. How may I help you?
assistant
I am Brian Martinez, want to travel from DCA to CLT. Please help me in booking my ticket.
user
Sure, may I know your trip dates?
assistant
My trip dates are from 10/23 to 10/25.
user
Sorry, on these dates there is no flights available.
assistant
It's ok, thank you.
user
Most welcome.
assistant