Hello, I am Karen Johnson.
Hi, Karen Johnson. How can I help you today?
Celebrate my parents 25th anniversary so that way I need to attend  anniversary function, can you help ma to book a ticket?
Surely I will help you, may I know your destination place and arrival place?
My traveling details are from CA-OAK, on 07/12 to NC-CLT, on 07/23.
OK, hold a moment, I will get back to you.
Ok.
Thank you for your patience.
No problem.
Sorry to say that there is no flight ticket is available on your journey dates. Thank you for asking service. Have a good day.