Hi.
user
Hello. How may I assist you today?
assistant
I am Margaret Allen want to visit DFW, can you book a ticket from DCA?
user
Sure Allen, please provide me your travelling dates.
assistant
Sure, my travelling dates will be 10/16 and 10/18.
user
Please wait for a minute, let me check.
assistant
Ok.
user
Thanks for your waiting, I could not find any flight with your travelling dates.
assistant
That's ok, thank you.
user
Thanks for choosing us, have a nice day ahead.
assistant