Hi, George Brown here.
user
Hello, how may I aid you today?
assistant
I am planning to visit Atlanta to enjoy Death valley adventure with school friends. Can you make a reservation with fare 200?
user
Sure, please share your source and destination airport codes?
assistant
Sure, I need to start from OAK to ATL.
user
When are you willing to travel?
assistant
I would to travel on  06/28 and 06/30.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no flights are available with your given dates.
assistant
Ok, no worries at all. Thanks for your help.
user
Thanks for choosing us.
assistant