Hello. I am Edward Brown.
user
Hello, how may I guide you?
assistant
I want to change my existing reservation, as my health is not good to travel.
user
Sure, please hold on for a moment.
assistant
Sure, take your time.
user
I am sorry, there are no reservations with your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you, have a good day.
assistant