Hello. I am Edward Jones.
user
Hello, how may I aid you?
assistant
 I want to travel  to CA-SFO to meet my cousins.
user
Ok, help me with your trip dates?
assistant
My trip dates are 08/30 and 09/01.
user
Where do you want to board?
assistant
 I will depart from NC-CLT.
user
Sorry, there are no flights available.
assistant
Ok, thank you.
user
Thank you for choosing us.
assistant