Hello, I am William Davis.
Hello, how can I serve you now?
As my schedule of attending an conference got postponed due to heavy rains. Can you help me changing my existing reservation?
Sure, I will help you with that. Please wait for a moment.
Sure.
Thanks for the waiting, sorry to inform you there is no any reservation found on your name.
Ok, Thank you for your information.
Thank you have a nice day.