Hi. I am Rebecca Smith.
user
Hello, how could I assist you at this moment?
assistant
I want t book a direct flight ticket from TX-DFW. Can you help me?
user
Sure, please help me with your travelling dates?
assistant
07/24 and 07/26 are my travelling dates.
user
Ok, may I have your destination airport code?
assistant
I would  like to land at CA-OAK.
user
Ok, please wait a moment.
assistant
OK.
user
There are no flights available on your requested dates.
assistant
No issue.Thank you for your information.
user
Thank you for reaching us.
assistant