Hello.
user
Hello, how can I help you today?
assistant
   Would it be possible to change my reservation, which I have done with my name?
user
Sure, I am here to help you with that. May I know your name please?
assistant
Thank you, my name is Nancy Thompson.
user
Ok, Please stay online, I will check the previous list and revert to you.
assistant
Sure, take your time.
user
Thanks for remaining so positive. We are sorry to say that, there is no active reservation found on your name.
assistant
That's fine, thank you for the response.
user
Thanks for reaching us.
assistant