Hi.
user
Hello, how may I help you?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Sure, please share your good name?
assistant
Lisa Green here.
user
Please wait for a while.
assistant
Sure.
user
Sorry, no reservation found on your given name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for choosing us.
assistant