Hello. I am Larry Brown.
user
Hello, how may I help you?
assistant
I need to change my existing reservation, as my exam got postponed. Please help me in changing?
user
Sure. Please, wait.
assistant
Ok.
user
Thank you for being patience, there is no reservation found on your name.
assistant
Ok, no issues.. Thank you for your service.
user
Thank you for reaching us.
assistant