Hello.
user
Hello, how can I help you today?
assistant
I already book a flight ticket to visit New York, but due to heavy rain at destination point my plan is postponed. Can you change my reservation?
user
Sure, may I know your good name?
assistant
My name is Richard Jackson.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
Ok, thank you for the information.
user
Thank you for reaching us.
assistant