Hello.
user
Hello, how may I help you?
assistant
Can you please change my existing reservation as I have changed my trip?
user
Sure, can I know your name?
assistant
My name is Debra Robinson.
user
Please hold on a moment.
assistant
Sure.
user
Sorry, there is no reservation found on given name.
assistant
Never mind, thank you anyway.
user
Thank you for reaching us.
assistant