Hi.
user
Hello, how may I address you?
assistant
I am Jonathan Lewis. I need to change my existing reservation, Can you please help me with that?
user
Sure, let me check whether your reservation is active or not and revert to you.
assistant
Ok.
user
There is no reservation by the name you mentioned in our data base.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for approaching us.
assistant