Hello.
user
Hello. How can I aid you?
assistant
I want to change my reservation, can you please help me to change my trip dates?
user
Sure, We are here to help you out. Can I know your name?
assistant
My name is Stephen Edwards.
user
Give me a minute.
assistant
Sure.
user
 Sorry, we couldn't find a reservation on your name to change.
assistant
Ok, thank you for informing me.
user