Hello. I am Charles Garcia.
Hello, how may I oblige you today?
I need to change my existing reservation due to postpone of seminar. Could you please help me in doing that?
Sure, I would be happy to help you.
Thank you.
Please wait for some time.
Sure.
Thanks for waiting. There is no reservation found with your name.
No problem, thank you for your valuable information.
Thank you for reaching us, have a nice day.