Hello.
user
Hello. How may I aid you?
assistant
I am planning to attend a Tennis competition in Oakland OAK from Chicago ORD. Can you find a flight ticket for me?
user
May I know your trip dates?
assistant
Ok, my planned trip dates are on Mar 25 and return on Mar 27.
user
Do you prefer any specifications?
assistant
Yes, I want to depart in the afternoon time.
user
 Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.
assistant
Ok, not an problem. Thank you for your information.
user
May I know your name?
assistant
Ok, my name is Deborah Davis.
user
Thank you.
assistant
Welcome.
user