Hello.
user
Hello. How can I aid you?
assistant
Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?
user
Sure, We are here to help you. May I know your name?
assistant
My name is Joseph King.
user
Give me a minute.
assistant
Ok.
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
Anyway, thanks for the information.
user
Thank you for reaching us.
assistant