Hello,.
user
Hello.
assistant
I am Gary Lopez.
user
 How can I help you?
assistant
Please book a flight ticket from Atlanta, ATL to  Oakland, OAK to meet my fiance.
user
Ok, please provide me your travel dates?
assistant
My dates of travel are 05/20 - 05/22. I need a connecting flight.
user
Sorry, no flights are available on your requested dates.
assistant
Ok, I will choose other airline.
user
Thank you for availing us.
assistant
Thank you.
user