Hello.
user
Hello. How may I help you?
assistant
I am Sandra Jackson, want to travel from SFO to DCA. Please help me in booking my ticket.
user
Sure, may I know your trip dates?
assistant
Sure, my trip dates are from 11/12 to 11/14.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry, there is no flights available.
assistant
It's ok, thank you.
user
Most welcome.
assistant