Hello.
user
Hello, how may I help you for this moment?
assistant
I am Benjamin Carter. I am planning to change my recent reservation, can you please help me out?
user
Sure Carter, I am here to help you.
assistant
Thank you.
user
Please wait for a mean while.
assistant
Sure, I will wait.
user
Sorry Carter, there is no reservation found as per your name to change your reservation.
assistant
That's fine. Thank you for your help.
user
You are welcome always.
assistant