Hi, I am Anna Lee.
user
Hello, how may I help you?
assistant
Due to some emergency work, I want to change my existing reservation. Will you help me in this?
user
Sure, I am here to help you. Please wait a moment.
assistant
Ok.
user
Sorry there is no reservation found on your name.
assistant
Thank you for your information.
user
Thanks for connecting us, have a great day.
assistant