Hello.
Hello, may I know your name?
I am Helen Adams.
Helen, how may I assist you?
My bank exams got postponed so I need to change my existing reservation, Can you please help me with that?
Sure, we can help you with that. Just wait a moment, I will check our reservation list and let you know.
Sure.
Helen, there is no reservation found on your name to modify.
Ok, no problem. Thanks for your information.
Thank you for reaching our service.