Hello.
user
Hello, how can I serve you?
assistant
I am Joshua Evans. My exam has been postponed. Can you please change my existing reservation?
user
Sure, please give me a moment to check your details and revert to you.
assistant
Sure.
user
Sorry Joshua Evans, we are hardly tried but there is no reservation exist on your name to proceed further.
assistant
Ok, no issue. Thanks for your prompt response.
user
Thank you for consulting us.
assistant