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