Hello. I am Angela Wright.
user
Hello, how may I aid you today?
assistant
I need to change my existing reservation, as my scheduled exam got postponed. Please help me in changing?
user
Sure, we are here to help you. Please wait a moment, let me check your reservation and revert to you.
assistant
Ok.
user
Thank you for your valuable time, unfortunately no reservation found on your name.
assistant
Ok, no issues. Thank you for your service.
user
Thank you for opting us.
assistant