Hello.
user
Hello, how can I guide you for today?
assistant
Can you help me to change my reservation, which was previously reserved that some data details was incorrect.
user
Can you please provide your name to check your existing reservation?
assistant
 Previously ticket reserved with the name of Nicholas Nelson.
user
Sorry, there is no reservation found under your name.
assistant
It's not a problem. I really appreciated your help.
user
Thank you for reaching us.
assistant