Hi, I am William Turner.
user
Hello, how may I be at your assistance?
assistant
Can you please help me to change an existing reservation due to my health issues?
user
Sure, we are rapturous to help you.
assistant
Thank you.
user
Please give me a moment.
assistant
Sure.
user
  Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
Ok, not an issue. Thank you for help.
user
Thank you for approaching  us.
assistant