Hello.
user
Hello, how may I assist you today?
assistant
Can you please help me to change my existing reservation?
user
Sure, may I know your name for the changing process?
assistant
Sure, my name is Mark Campbell.
user
Thank you, please wait for a moment.
assistant
Sure.
user
Sorry, we couldn't find a reservation on your name to change.
assistant
Ok, thank you.
user
Welcome, thank you for reaching us.
assistant