Hello.
user
Hello. How can I help you?
assistant
I need to change my existing reservation, can you please help me out?
user
Sure, can I know your name please?
assistant
Myself Barbara Carter.
user
Ok, wait a moment please.
assistant
Sure, please take your time.
user
Sorry, there is no reservation found on your name.
assistant
That's ok, thank you for searching my details.
user
Thank you for approaching us.
assistant