Hello.
user
Hello. How can I aid you?
assistant
Can you please help me to change my existing reservation?
user
Sure, We re here to help you. May I know your name?
assistant
I am Dorothy Hernandez.
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
It's ok, thank you.
user
Thank you for reaching us.
assistant