Hi. I am Rachel Miller.
user
Hello, what can I do for you today?
assistant
Would it be possible to change my reservation, which I have done with my name?
user
Surely, I will help you out. Please wait for a while.
assistant
  Ok, take your time.
user
Thanks for your time, no reservation was found on your name to change.
assistant
That's ok, thank you for the response.
user
Thank you for choosing us.
assistant