Hello.
Hello. How can I aid you at this moment?
I am Susan Harris, I need to modify my reservation as my schedule got postponed. Can you please help me out?
Sure, I will help you with that. Please wait  amoment, I will check your reservation status.
Thank you, ok I will wait for your response.
There is no previous reservation available in your name Susan Harris.
It's ok, anyway thank you for the information.
Thank you for reaching us, have a nice day.