Hi.
user
Hello, how can I help you today?
assistant
I am Sharon Wilson. I would like to change my existing reservation, due to sudden change in my holiday trip. Will you help me ?
user
Sure, please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
Ok. Thanks for sharing the information.
user
Thank you for reaching us.
assistant