Hello.
user
Hello, can you please tell me how can I assist you?
assistant
I am Deborah Carter, I am willing to change my existing reservation due to my schedule got postponed. Can you please help me about it?
user
Sorry, no reservation found on your name.
assistant
That's ok, it might not be done properly at the time of booking. Anyway thank you for the help.
user
Most welcome.
assistant