Hello.
user
 Hello, may I know how best I can help you today?
assistant
I want to change my reservation, can you help me with that?
user
Sure, I am here to help you with that. May I know your name please?
assistant
Kathleen Garcia here.
user
Ok, Please stay online, I will check the previous list and revert to you.
assistant
Sure.
user
We are sorry to say that, there is no active reservation found on your name.
assistant
No problem, thank you for the information.
user
Thanks for reaching us.
assistant