Hello.
user
Hello. How can I assist you today?
assistant
I already book a flight from Boston to attend meeting but my meeting is postponed. Can you change my reservation?
user
Sure, may I know your name to check for the previous reservation?
assistant
My name is Gregory Smith.
user
Please allow me a moment.
assistant
Ok.
user
There is no reservation found under your name.
assistant
Ok, thank you for the information.
user
Thank you for contacting us.
assistant