Hi. I am Sandra Allen.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to my convocation dates are postponed.
user
Sure, please wait a moment I will check and revert to you.
assistant
Ok.
user
Sorry, I found no reservation in your given name.
assistant
Not an issue.
user
Thank you for consulting us.
assistant
Thank you for quick response.
user