Hello, Gregory Wilson here.
user
Hello, how can I help you for the day?
assistant
Due to my interview has been postponed so, I want to change my existing reservation. Can you assist me with that?
user
Sure, please wait a moment I will let you know the information.
assistant
Sure.
user
Sorry to say I found no reservation in your given name.
assistant
Ok, no problem.
user
Thank you for choosing us.
assistant
Thanks for your help.
user