Hi.
user
Hello.
assistant
I am Donald Anderson.
user
 Donald Anderson, how may I assist you today?
assistant
Can you please help me in booking my flight ticket from OAK to CLT?
user
Yes, I will help you. May I know with your planned travel dates please?
assistant
My travelling dates are May 04 and May 06.
user
Thank you.
assistant
Please search a direct flight for me.
user
Thank you for the information. I am sorry to inform you that there is no flight available.
assistant
Ok, fine thank you for checking.
user
Thank you for reaching us. Have a great day.
assistant