Hi.
user
Hello, how may I help you?
assistant
I would like to change my reservation as my trip got cancelled, can you please help me out with that?
user
Sure, may I know your name please?
assistant
Please check on the name David Evans.
user
Ok, please wait for a moment.
assistant
Sure, I will stand by.
user
Sorry to say that, there was no reservation found with your given name.
assistant
That's ok, thank you.
user
Thank you for opting us.
assistant