Hello.
Hello. How can I help you?
Could you please help me to change an existing reservation as my seminar got postpone due to technical issues?
Sure, I will help you to change your reservation.
Thank you.
Please mention your name.
I made a reservation by this name William Clark.
Sorry, no reservation found on your name to change your reservation.
Ok, not an issue. Thank you for your information.
Welcome, have a nice day.