Hello. My name is Carol Thompson.
user
Hello, how may I assist you?
assistant
I have an important work to complete due to which I would like to change my existing reservation. Can you help me in changing the reservation?
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry Carol, there is no reservation found on your name to change your reservation.
assistant
That's ok.
user
Thank you for contacting us.
assistant
Thank you for the information.
user