Hi.
user
Hello, how may I serve you?
assistant
I am Melissa Carter. I want to change my existing reservation due to postponed of my project submission dates. Can you please help me with this?
user
Sure, let me check the data base and revert you.
assistant
OK.
user
We could not find any reservation by the name you mentioned above.
assistant
Not an issue. Thanks for your service.
user
Thank you for opting us.
assistant