Hi.
Hello. How can I help you?
I would like to change my existing reservation, due to postpone of my seminar. Will you please avail me in changing?
Sure, let me know your name to check your reservation details.
Susan Wright is here.
Thank you, please wait for a moment.
Ok.
 I am very sorry to inform you that there is no reservation found under your name in our database.
Ok, no issues. Thank you.
Thank you for reaching us.