Hi.
Hello,.
I am Frank Williams.
Frank, How can I aid you today?
I need to change my reservation as my exams got postpone to another date. Can you please help me in changing?
Sure, I will help you. Please wait for a while.
Ok.
Thanks for waiting. Sorry to say that, there is no active reservation found with your name, to change it.
Ok, thank you.
Thanks for your approach.