Hello. I am Sharon Taylor.
user
Hello, how may I help you?
assistant
As my scheduled interview got postponed,  I need to change my existing reservation. Can you please help me out?
user
Sure, I can help you.
assistant
Thank you.
user
Please wait for a while, I will check your reservation status.
assistant
Sure, I will wait.
user
Sorry Sharon, there is no active reservation found with your name in our records.
assistant
Ok, no problem. Thank you for the information.
user
Most welcome.
assistant