Hello.
user
Hello. How may I aid you?
assistant
Can you please help me to change my reservation?
user
Sure, please can I know your name?
assistant
My name name is Nancy Collins.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry Nancy, there is no active reservation found under your name in our records.
assistant
Thank you for informing me.
user
Most welcome.
assistant