Hi.
user
Hello. How may I help you?
assistant
I would like to change my reservation as I have to stay for some days with my grandfather at New York, can you please help me?
user
Ok, may I know your name?
assistant
Sure, my name is Amanda White.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry, there is no active reservation found under your name.
assistant
Oh! No problem, thank you for checking.
user
Most welcome.
assistant