Hi.
user
Hello, how may I aid you?
assistant
I want to change an existing reservation due to sudden change in my trip.
user
Sure, may I know your good name please?
assistant
I am Emma Smith.
user
Ok, please wait a minute.
assistant
Ok.
user
Thank you for your time. Unfortunately there is no reservation found by your name.
assistant
That's fine. Thank you for your service.
user
Thank you for opting us.
assistant