Hello.
Hello, how may I help you?
Can you aid me to book my ticket from DCA to SFO?
Sure, I am here to help you. May I know your name?
Edward Baker here.
Thank you. Please let me know your travel dates.
My trip dates are Dec 10 and Dec 12.
Noted. Please wait for a while.
Ok.
Sorry, there is no flight available on your preferred travel dates.
Thank you for the help.
You are most welcome.