Hello,.
user
Hello, how may i assist you?
assistant
I want to change my existing reservation which is with the name Amanda Walker. Please help me out.
user
Sure, let me check the current status and get back to you.
assistant
Ok.
user
Thanks for being patient. It's unfortunate that we could not find any reservation by this name.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant