Hi.
user
Hello, how can I aid you today?
assistant
I want to change my existing reservation. Can you help me for that one?
user
Sure, can I know your name please?
assistant
Sure, Pamela Walker here.
user
Please wait.
assistant
Sure.
user
Sorry, no reservation found on your given name.
assistant
No issues, thank you for the information.
user
Thank you for contacting us.
assistant